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Current Directory: /opt/wp/core/5.7/wp-includes/js/jquery
Viewing File: /opt/wp/core/5.7/wp-includes/js/jquery/jquery-migrate.js
/*!
 * jQuery Migrate - v3.3.2 - 2020-11-18T08:29Z
 * Copyright OpenJS Foundation and other contributors
 */
( function( factory ) {
	"use strict";

	if ( typeof define === "function" && define.amd ) {

		// AMD. Register as an anonymous module.
		define( [ "jquery" ], function( jQuery ) {
			return factory( jQuery, window );
		} );
	} else if ( typeof module === "object" && module.exports ) {

		// Node/CommonJS
		// eslint-disable-next-line no-undef
		module.exports = factory( require( "jquery" ), window );
	} else {

		// Browser globals
		factory( jQuery, window );
	}
} )( function( jQuery, window ) {
"use strict";

jQuery.migrateVersion = "3.3.2";

// Returns 0 if v1 == v2, -1 if v1 < v2, 1 if v1 > v2
function compareVersions( v1, v2 ) {
	var i,
		rVersionParts = /^(\d+)\.(\d+)\.(\d+)/,
		v1p = rVersionParts.exec( v1 ) || [ ],
		v2p = rVersionParts.exec( v2 ) || [ ];

	for ( i = 1; i <= 3; i++ ) {
		if ( +v1p[ i ] > +v2p[ i ] ) {
			return 1;
		}
		if ( +v1p[ i ] < +v2p[ i ] ) {
			return -1;
		}
	}
	return 0;
}

function jQueryVersionSince( version ) {
	return compareVersions( jQuery.fn.jquery, version ) >= 0;
}

( function() {

	// Support: IE9 only
	// IE9 only creates console object when dev tools are first opened
	// IE9 console is a host object, callable but doesn't have .apply()
	if ( !window.console || !window.console.log ) {
		return;
	}

	// Need jQuery 3.0.0+ and no older Migrate loaded
	if ( !jQuery || !jQueryVersionSince( "3.0.0" ) ) {
		window.console.log( "JQMIGRATE: jQuery 3.0.0+ REQUIRED" );
	}
	if ( jQuery.migrateWarnings ) {
		window.console.log( "JQMIGRATE: Migrate plugin loaded multiple times" );
	}

	// Show a message on the console so devs know we're active
	window.console.log( "JQMIGRATE: Migrate is installed" +
		( jQuery.migrateMute ? "" : " with logging active" ) +
		", version " + jQuery.migrateVersion );

} )();

var warnedAbout = {};

// By default each warning is only reported once.
jQuery.migrateDeduplicateWarnings = true;

// List of warnings already given; public read only
jQuery.migrateWarnings = [];

// Set to false to disable traces that appear with warnings
if ( jQuery.migrateTrace === undefined ) {
	jQuery.migrateTrace = true;
}

// Forget any warnings we've already given; public
jQuery.migrateReset = function() {
	warnedAbout = {};
	jQuery.migrateWarnings.length = 0;
};

function migrateWarn( msg ) {
	var console = window.console;
	if ( !jQuery.migrateDeduplicateWarnings || !warnedAbout[ msg ] ) {
		warnedAbout[ msg ] = true;
		jQuery.migrateWarnings.push( msg );
		if ( console && console.warn && !jQuery.migrateMute ) {
			console.warn( "JQMIGRATE: " + msg );
			if ( jQuery.migrateTrace && console.trace ) {
				console.trace();
			}
		}
	}
}

function migrateWarnProp( obj, prop, value, msg ) {
	Object.defineProperty( obj, prop, {
		configurable: true,
		enumerable: true,
		get: function() {
			migrateWarn( msg );
			return value;
		},
		set: function( newValue ) {
			migrateWarn( msg );
			value = newValue;
		}
	} );
}

function migrateWarnFunc( obj, prop, newFunc, msg ) {
	obj[ prop ] = function() {
		migrateWarn( msg );
		return newFunc.apply( this, arguments );
	};
}

if ( window.document.compatMode === "BackCompat" ) {

	// JQuery has never supported or tested Quirks Mode
	migrateWarn( "jQuery is not compatible with Quirks Mode" );
}

var findProp,
	class2type = {},
	oldInit = jQuery.fn.init,
	oldFind = jQuery.find,

	rattrHashTest = /\[(\s*[-\w]+\s*)([~|^$*]?=)\s*([-\w#]*?#[-\w#]*)\s*\]/,
	rattrHashGlob = /\[(\s*[-\w]+\s*)([~|^$*]?=)\s*([-\w#]*?#[-\w#]*)\s*\]/g,

	// Support: Android <=4.0 only
	// Make sure we trim BOM and NBSP
	rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;

jQuery.fn.init = function( arg1 ) {
	var args = Array.prototype.slice.call( arguments );

	if ( typeof arg1 === "string" && arg1 === "#" ) {

		// JQuery( "#" ) is a bogus ID selector, but it returned an empty set before jQuery 3.0
		migrateWarn( "jQuery( '#' ) is not a valid selector" );
		args[ 0 ] = [];
	}

	return oldInit.apply( this, args );
};
jQuery.fn.init.prototype = jQuery.fn;

jQuery.find = function( selector ) {
	var args = Array.prototype.slice.call( arguments );

	// Support: PhantomJS 1.x
	// String#match fails to match when used with a //g RegExp, only on some strings
	if ( typeof selector === "string" && rattrHashTest.test( selector ) ) {

		// The nonstandard and undocumented unquoted-hash was removed in jQuery 1.12.0
		// First see if qS thinks it's a valid selector, if so avoid a false positive
		try {
			window.document.querySelector( selector );
		} catch ( err1 ) {

			// Didn't *look* valid to qSA, warn and try quoting what we think is the value
			selector = selector.replace( rattrHashGlob, function( _, attr, op, value ) {
				return "[" + attr + op + "\"" + value + "\"]";
			} );

			// If the regexp *may* have created an invalid selector, don't update it
			// Note that there may be false alarms if selector uses jQuery extensions
			try {
				window.document.querySelector( selector );
				migrateWarn( "Attribute selector with '#' must be quoted: " + args[ 0 ] );
				args[ 0 ] = selector;
			} catch ( err2 ) {
				migrateWarn( "Attribute selector with '#' was not fixed: " + args[ 0 ] );
			}
		}
	}

	return oldFind.apply( this, args );
};

// Copy properties attached to original jQuery.find method (e.g. .attr, .isXML)
for ( findProp in oldFind ) {
	if ( Object.prototype.hasOwnProperty.call( oldFind, findProp ) ) {
		jQuery.find[ findProp ] = oldFind[ findProp ];
	}
}

// The number of elements contained in the matched element set
migrateWarnFunc( jQuery.fn, "size", function() {
	return this.length;
},
"jQuery.fn.size() is deprecated and removed; use the .length property" );

migrateWarnFunc( jQuery, "parseJSON", function() {
	return JSON.parse.apply( null, arguments );
},
"jQuery.parseJSON is deprecated; use JSON.parse" );

migrateWarnFunc( jQuery, "holdReady", jQuery.holdReady,
	"jQuery.holdReady is deprecated" );

migrateWarnFunc( jQuery, "unique", jQuery.uniqueSort,
	"jQuery.unique is deprecated; use jQuery.uniqueSort" );

// Now jQuery.expr.pseudos is the standard incantation
migrateWarnProp( jQuery.expr, "filters", jQuery.expr.pseudos,
	"jQuery.expr.filters is deprecated; use jQuery.expr.pseudos" );
migrateWarnProp( jQuery.expr, ":", jQuery.expr.pseudos,
	"jQuery.expr[':'] is deprecated; use jQuery.expr.pseudos" );

// Prior to jQuery 3.1.1 there were internal refs so we don't warn there
if ( jQueryVersionSince( "3.1.1" ) ) {
	migrateWarnFunc( jQuery, "trim", function( text ) {
		return text == null ?
			"" :
			( text + "" ).replace( rtrim, "" );
	},
	"jQuery.trim is deprecated; use String.prototype.trim" );
}

// Prior to jQuery 3.2 there were internal refs so we don't warn there
if ( jQueryVersionSince( "3.2.0" ) ) {
	migrateWarnFunc( jQuery, "nodeName", function( elem, name ) {
		return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
	},
	"jQuery.nodeName is deprecated" );

	migrateWarnFunc( jQuery, "isArray", Array.isArray,
		"jQuery.isArray is deprecated; use Array.isArray"
	);
}

if ( jQueryVersionSince( "3.3.0" ) ) {

	migrateWarnFunc( jQuery, "isNumeric", function( obj ) {

			// As of jQuery 3.0, isNumeric is limited to
			// strings and numbers (primitives or objects)
			// that can be coerced to finite numbers (gh-2662)
			var type = typeof obj;
			return ( type === "number" || type === "string" ) &&

				// parseFloat NaNs numeric-cast false positives ("")
				// ...but misinterprets leading-number strings, e.g. hex literals ("0x...")
				// subtraction forces infinities to NaN
				!isNaN( obj - parseFloat( obj ) );
		},
		"jQuery.isNumeric() is deprecated"
	);

	// Populate the class2type map
	jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".
		split( " " ),
	function( _, name ) {
		class2type[ "[object " + name + "]" ] = name.toLowerCase();
	} );

	migrateWarnFunc( jQuery, "type", function( obj ) {
		if ( obj == null ) {
			return obj + "";
		}

		// Support: Android <=2.3 only (functionish RegExp)
		return typeof obj === "object" || typeof obj === "function" ?
			class2type[ Object.prototype.toString.call( obj ) ] || "object" :
			typeof obj;
	},
	"jQuery.type is deprecated" );

	migrateWarnFunc( jQuery, "isFunction",
		function( obj ) {
			return typeof obj === "function";
		},
		"jQuery.isFunction() is deprecated" );

	migrateWarnFunc( jQuery, "isWindow",
		function( obj ) {
			return obj != null && obj === obj.window;
		},
		"jQuery.isWindow() is deprecated"
	);
}

// Support jQuery slim which excludes the ajax module
if ( jQuery.ajax ) {

var oldAjax = jQuery.ajax,
	rjsonp = /(=)\?(?=&|$)|\?\?/;

jQuery.ajax = function( ) {
	var jQXHR = oldAjax.apply( this, arguments );

	// Be sure we got a jQXHR (e.g., not sync)
	if ( jQXHR.promise ) {
		migrateWarnFunc( jQXHR, "success", jQXHR.done,
			"jQXHR.success is deprecated and removed" );
		migrateWarnFunc( jQXHR, "error", jQXHR.fail,
			"jQXHR.error is deprecated and removed" );
		migrateWarnFunc( jQXHR, "complete", jQXHR.always,
			"jQXHR.complete is deprecated and removed" );
	}

	return jQXHR;
};

// Only trigger the logic in jQuery <4 as the JSON-to-JSONP auto-promotion
// behavior is gone in jQuery 4.0 and as it has security implications, we don't
// want to restore the legacy behavior.
if ( !jQueryVersionSince( "4.0.0" ) ) {

	// Register this prefilter before the jQuery one. Otherwise, a promoted
	// request is transformed into one with the script dataType and we can't
	// catch it anymore.
	jQuery.ajaxPrefilter( "+json", function( s ) {

		// Warn if JSON-to-JSONP auto-promotion happens.
		if ( s.jsonp !== false && ( rjsonp.test( s.url ) ||
				typeof s.data === "string" &&
				( s.contentType || "" )
					.indexOf( "application/x-www-form-urlencoded" ) === 0 &&
				rjsonp.test( s.data )
		) ) {
			migrateWarn( "JSON-to-JSONP auto-promotion is deprecated" );
		}
	} );
}

}

var oldRemoveAttr = jQuery.fn.removeAttr,
	oldToggleClass = jQuery.fn.toggleClass,
	rmatchNonSpace = /\S+/g;

jQuery.fn.removeAttr = function( name ) {
	var self = this;

	jQuery.each( name.match( rmatchNonSpace ), function( _i, attr ) {
		if ( jQuery.expr.match.bool.test( attr ) ) {
			migrateWarn( "jQuery.fn.removeAttr no longer sets boolean properties: " + attr );
			self.prop( attr, false );
		}
	} );

	return oldRemoveAttr.apply( this, arguments );
};

jQuery.fn.toggleClass = function( state ) {

	// Only deprecating no-args or single boolean arg
	if ( state !== undefined && typeof state !== "boolean" ) {
		return oldToggleClass.apply( this, arguments );
	}

	migrateWarn( "jQuery.fn.toggleClass( boolean ) is deprecated" );

	// Toggle entire class name of each element
	return this.each( function() {
		var className = this.getAttribute && this.getAttribute( "class" ) || "";

		if ( className ) {
			jQuery.data( this, "__className__", className );
		}

		// If the element has a class name or if we're passed `false`,
		// then remove the whole classname (if there was one, the above saved it).
		// Otherwise bring back whatever was previously saved (if anything),
		// falling back to the empty string if nothing was stored.
		if ( this.setAttribute ) {
			this.setAttribute( "class",
				className || state === false ?
				"" :
				jQuery.data( this, "__className__" ) || ""
			);
		}
	} );
};

function camelCase( string ) {
	return string.replace( /-([a-z])/g, function( _, letter ) {
		return letter.toUpperCase();
	} );
}

var oldFnCss,
	internalSwapCall = false,
	ralphaStart = /^[a-z]/,

	// The regex visualized:
	//
	//                         /----------\
	//                        |            |    /-------\
	//                        |  / Top  \  |   |         |
	//         /--- Border ---+-| Right  |-+---+- Width -+---\
	//        |                 | Bottom |                    |
	//        |                  \ Left /                     |
	//        |                                               |
	//        |                              /----------\     |
	//        |          /-------------\    |            |    |- END
	//        |         |               |   |  / Top  \  |    |
	//        |         |  / Margin  \  |   | | Right  | |    |
	//        |---------+-|           |-+---+-| Bottom |-+----|
	//        |            \ Padding /         \ Left /       |
	// BEGIN -|                                               |
	//        |                /---------\                    |
	//        |               |           |                   |
	//        |               |  / Min \  |    / Width  \     |
	//         \--------------+-|       |-+---|          |---/
	//                           \ Max /       \ Height /
	rautoPx = /^(?:Border(?:Top|Right|Bottom|Left)?(?:Width|)|(?:Margin|Padding)?(?:Top|Right|Bottom|Left)?|(?:Min|Max)?(?:Width|Height))$/;

// If this version of jQuery has .swap(), don't false-alarm on internal uses
if ( jQuery.swap ) {
	jQuery.each( [ "height", "width", "reliableMarginRight" ], function( _, name ) {
		var oldHook = jQuery.cssHooks[ name ] && jQuery.cssHooks[ name ].get;

		if ( oldHook ) {
			jQuery.cssHooks[ name ].get = function() {
				var ret;

				internalSwapCall = true;
				ret = oldHook.apply( this, arguments );
				internalSwapCall = false;
				return ret;
			};
		}
	} );
}

jQuery.swap = function( elem, options, callback, args ) {
	var ret, name,
		old = {};

	if ( !internalSwapCall ) {
		migrateWarn( "jQuery.swap() is undocumented and deprecated" );
	}

	// Remember the old values, and insert the new ones
	for ( name in options ) {
		old[ name ] = elem.style[ name ];
		elem.style[ name ] = options[ name ];
	}

	ret = callback.apply( elem, args || [] );

	// Revert the old values
	for ( name in options ) {
		elem.style[ name ] = old[ name ];
	}

	return ret;
};

if ( jQueryVersionSince( "3.4.0" ) && typeof Proxy !== "undefined" ) {

	jQuery.cssProps = new Proxy( jQuery.cssProps || {}, {
		set: function() {
			migrateWarn( "JQMIGRATE: jQuery.cssProps is deprecated" );
			return Reflect.set.apply( this, arguments );
		}
	} );
}

// Create a dummy jQuery.cssNumber if missing. It won't be used by jQuery but
// it will prevent code adding new keys to it unconditionally from crashing.
if ( !jQuery.cssNumber ) {
	jQuery.cssNumber = {};
}

function isAutoPx( prop ) {

	// The first test is used to ensure that:
	// 1. The prop starts with a lowercase letter (as we uppercase it for the second regex).
	// 2. The prop is not empty.
	return ralphaStart.test( prop ) &&
		rautoPx.test( prop[ 0 ].toUpperCase() + prop.slice( 1 ) );
}

oldFnCss = jQuery.fn.css;

jQuery.fn.css = function( name, value ) {
	var camelName,
		origThis = this;
	if ( name && typeof name === "object" && !Array.isArray( name ) ) {
		jQuery.each( name, function( n, v ) {
			jQuery.fn.css.call( origThis, n, v );
		} );
		return this;
	}
	if ( typeof value === "number" ) {
		camelName = camelCase( name );
		if ( !isAutoPx( camelName ) && !jQuery.cssNumber[ camelName ] ) {
			migrateWarn( "Number-typed values are deprecated for jQuery.fn.css( \"" +
				name + "\", value )" );
		}
	}

	return oldFnCss.apply( this, arguments );
};

var oldData = jQuery.data;

jQuery.data = function( elem, name, value ) {
	var curData, sameKeys, key;

	// Name can be an object, and each entry in the object is meant to be set as data
	if ( name && typeof name === "object" && arguments.length === 2 ) {
		curData = jQuery.hasData( elem ) && oldData.call( this, elem );
		sameKeys = {};
		for ( key in name ) {
			if ( key !== camelCase( key ) ) {
				migrateWarn( "jQuery.data() always sets/gets camelCased names: " + key );
				curData[ key ] = name[ key ];
			} else {
				sameKeys[ key ] = name[ key ];
			}
		}

		oldData.call( this, elem, sameKeys );

		return name;
	}

	// If the name is transformed, look for the un-transformed name in the data object
	if ( name && typeof name === "string" && name !== camelCase( name ) ) {
		curData = jQuery.hasData( elem ) && oldData.call( this, elem );
		if ( curData && name in curData ) {
			migrateWarn( "jQuery.data() always sets/gets camelCased names: " + name );
			if ( arguments.length > 2 ) {
				curData[ name ] = value;
			}
			return curData[ name ];
		}
	}

	return oldData.apply( this, arguments );
};

// Support jQuery slim which excludes the effects module
if ( jQuery.fx ) {

var intervalValue, intervalMsg,
	oldTweenRun = jQuery.Tween.prototype.run,
	linearEasing = function( pct ) {
		return pct;
	};

jQuery.Tween.prototype.run = function( ) {
	if ( jQuery.easing[ this.easing ].length > 1 ) {
		migrateWarn(
			"'jQuery.easing." + this.easing.toString() + "' should use only one argument"
		);

		jQuery.easing[ this.easing ] = linearEasing;
	}

	oldTweenRun.apply( this, arguments );
};

intervalValue = jQuery.fx.interval || 13;
intervalMsg = "jQuery.fx.interval is deprecated";

// Support: IE9, Android <=4.4
// Avoid false positives on browsers that lack rAF
// Don't warn if document is hidden, jQuery uses setTimeout (#292)
if ( window.requestAnimationFrame ) {
	Object.defineProperty( jQuery.fx, "interval", {
		configurable: true,
		enumerable: true,
		get: function() {
			if ( !window.document.hidden ) {
				migrateWarn( intervalMsg );
			}
			return intervalValue;
		},
		set: function( newValue ) {
			migrateWarn( intervalMsg );
			intervalValue = newValue;
		}
	} );
}

}

var oldLoad = jQuery.fn.load,
	oldEventAdd = jQuery.event.add,
	originalFix = jQuery.event.fix;

jQuery.event.props = [];
jQuery.event.fixHooks = {};

migrateWarnProp( jQuery.event.props, "concat", jQuery.event.props.concat,
	"jQuery.event.props.concat() is deprecated and removed" );

jQuery.event.fix = function( originalEvent ) {
	var event,
		type = originalEvent.type,
		fixHook = this.fixHooks[ type ],
		props = jQuery.event.props;

	if ( props.length ) {
		migrateWarn( "jQuery.event.props are deprecated and removed: " + props.join() );
		while ( props.length ) {
			jQuery.event.addProp( props.pop() );
		}
	}

	if ( fixHook && !fixHook._migrated_ ) {
		fixHook._migrated_ = true;
		migrateWarn( "jQuery.event.fixHooks are deprecated and removed: " + type );
		if ( ( props = fixHook.props ) && props.length ) {
			while ( props.length ) {
				jQuery.event.addProp( props.pop() );
			}
		}
	}

	event = originalFix.call( this, originalEvent );

	return fixHook && fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
};

jQuery.event.add = function( elem, types ) {

	// This misses the multiple-types case but that seems awfully rare
	if ( elem === window && types === "load" && window.document.readyState === "complete" ) {
		migrateWarn( "jQuery(window).on('load'...) called after load event occurred" );
	}
	return oldEventAdd.apply( this, arguments );
};

jQuery.each( [ "load", "unload", "error" ], function( _, name ) {

	jQuery.fn[ name ] = function() {
		var args = Array.prototype.slice.call( arguments, 0 );

		// If this is an ajax load() the first arg should be the string URL;
		// technically this could also be the "Anything" arg of the event .load()
		// which just goes to show why this dumb signature has been deprecated!
		// jQuery custom builds that exclude the Ajax module justifiably die here.
		if ( name === "load" && typeof args[ 0 ] === "string" ) {
			return oldLoad.apply( this, args );
		}

		migrateWarn( "jQuery.fn." + name + "() is deprecated" );

		args.splice( 0, 0, name );
		if ( arguments.length ) {
			return this.on.apply( this, args );
		}

		// Use .triggerHandler here because:
		// - load and unload events don't need to bubble, only applied to window or image
		// - error event should not bubble to window, although it does pre-1.7
		// See http://bugs.jquery.com/ticket/11820
		this.triggerHandler.apply( this, args );
		return this;
	};

} );

jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
	"mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
	"change select submit keydown keypress keyup contextmenu" ).split( " " ),
	function( _i, name ) {

	// Handle event binding
	jQuery.fn[ name ] = function( data, fn ) {
		migrateWarn( "jQuery.fn." + name + "() event shorthand is deprecated" );
		return arguments.length > 0 ?
			this.on( name, null, data, fn ) :
			this.trigger( name );
	};
} );

// Trigger "ready" event only once, on document ready
jQuery( function() {
	jQuery( window.document ).triggerHandler( "ready" );
} );

jQuery.event.special.ready = {
	setup: function() {
		if ( this === window.document ) {
			migrateWarn( "'ready' event is deprecated" );
		}
	}
};

jQuery.fn.extend( {

	bind: function( types, data, fn ) {
		migrateWarn( "jQuery.fn.bind() is deprecated" );
		return this.on( types, null, data, fn );
	},
	unbind: function( types, fn ) {
		migrateWarn( "jQuery.fn.unbind() is deprecated" );
		return this.off( types, null, fn );
	},
	delegate: function( selector, types, data, fn ) {
		migrateWarn( "jQuery.fn.delegate() is deprecated" );
		return this.on( types, selector, data, fn );
	},
	undelegate: function( selector, types, fn ) {
		migrateWarn( "jQuery.fn.undelegate() is deprecated" );
		return arguments.length === 1 ?
			this.off( selector, "**" ) :
			this.off( types, selector || "**", fn );
	},
	hover: function( fnOver, fnOut ) {
		migrateWarn( "jQuery.fn.hover() is deprecated" );
		return this.on( "mouseenter", fnOver ).on( "mouseleave", fnOut || fnOver );
	}
} );

var rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
	origHtmlPrefilter = jQuery.htmlPrefilter,
	makeMarkup = function( html ) {
		var doc = window.document.implementation.createHTMLDocument( "" );
		doc.body.innerHTML = html;
		return doc.body && doc.body.innerHTML;
	},
	warnIfChanged = function( html ) {
		var changed = html.replace( rxhtmlTag, "<$1></$2>" );
		if ( changed !== html && makeMarkup( html ) !== makeMarkup( changed ) ) {
			migrateWarn( "HTML tags must be properly nested and closed: " + html );
		}
	};

jQuery.UNSAFE_restoreLegacyHtmlPrefilter = function() {
	jQuery.htmlPrefilter = function( html ) {
		warnIfChanged( html );
		return html.replace( rxhtmlTag, "<$1></$2>" );
	};
};

jQuery.htmlPrefilter = function( html ) {
	warnIfChanged( html );
	return origHtmlPrefilter( html );
};

var oldOffset = jQuery.fn.offset;

jQuery.fn.offset = function() {
	var elem = this[ 0 ];

	if ( elem && ( !elem.nodeType || !elem.getBoundingClientRect ) ) {
		migrateWarn( "jQuery.fn.offset() requires a valid DOM element" );
		return arguments.length ? this : undefined;
	}

	return oldOffset.apply( this, arguments );
};

// Support jQuery slim which excludes the ajax module
// The jQuery.param patch is about respecting `jQuery.ajaxSettings.traditional`
// so it doesn't make sense for the slim build.
if ( jQuery.ajax ) {

var oldParam = jQuery.param;

jQuery.param = function( data, traditional ) {
	var ajaxTraditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;

	if ( traditional === undefined && ajaxTraditional ) {

		migrateWarn( "jQuery.param() no longer uses jQuery.ajaxSettings.traditional" );
		traditional = ajaxTraditional;
	}

	return oldParam.call( this, data, traditional );
};

}

var oldSelf = jQuery.fn.andSelf || jQuery.fn.addBack;

jQuery.fn.andSelf = function() {
	migrateWarn( "jQuery.fn.andSelf() is deprecated and removed, use jQuery.fn.addBack()" );
	return oldSelf.apply( this, arguments );
};

// Support jQuery slim which excludes the deferred module in jQuery 4.0+
if ( jQuery.Deferred ) {

var oldDeferred = jQuery.Deferred,
	tuples = [

		// Action, add listener, callbacks, .then handlers, final state
		[ "resolve", "done", jQuery.Callbacks( "once memory" ),
			jQuery.Callbacks( "once memory" ), "resolved" ],
		[ "reject", "fail", jQuery.Callbacks( "once memory" ),
			jQuery.Callbacks( "once memory" ), "rejected" ],
		[ "notify", "progress", jQuery.Callbacks( "memory" ),
			jQuery.Callbacks( "memory" ) ]
	];

jQuery.Deferred = function( func ) {
	var deferred = oldDeferred(),
		promise = deferred.promise();

	deferred.pipe = promise.pipe = function( /* fnDone, fnFail, fnProgress */ ) {
		var fns = arguments;

		migrateWarn( "deferred.pipe() is deprecated" );

		return jQuery.Deferred( function( newDefer ) {
			jQuery.each( tuples, function( i, tuple ) {
				var fn = typeof fns[ i ] === "function" && fns[ i ];

				// Deferred.done(function() { bind to newDefer or newDefer.resolve })
				// deferred.fail(function() { bind to newDefer or newDefer.reject })
				// deferred.progress(function() { bind to newDefer or newDefer.notify })
				deferred[ tuple[ 1 ] ]( function() {
					var returned = fn && fn.apply( this, arguments );
					if ( returned && typeof returned.promise === "function" ) {
						returned.promise()
							.done( newDefer.resolve )
							.fail( newDefer.reject )
							.progress( newDefer.notify );
					} else {
						newDefer[ tuple[ 0 ] + "With" ](
							this === promise ? newDefer.promise() : this,
							fn ? [ returned ] : arguments
						);
					}
				} );
			} );
			fns = null;
		} ).promise();

	};

	if ( func ) {
		func.call( deferred, deferred );
	}

	return deferred;
};

// Preserve handler of uncaught exceptions in promise chains
jQuery.Deferred.exceptionHook = oldDeferred.exceptionHook;

}

return jQuery;
} );
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