File Content: 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; } ); Submit