2 * jQuery Migrate - v1.2.1 - 2013-05-08
3 * https://github.com/jquery/jquery-migrate
4 * Copyright 2005, 2013 jQuery Foundation, Inc. and other contributors; Licensed MIT
6 (function( jQuery, window, undefined ) {
7 // See http://bugs.jquery.com/ticket/13335
13 // List of warnings already given; public read only
14 jQuery.migrateWarnings = [];
16 // Set to true to prevent console output; migrateWarnings still maintained
17 // jQuery.migrateMute = false;
19 // Show a message on the console so devs know we're active
20 if ( !jQuery.migrateMute && window.console && window.console.log ) {
21 window.console.log("JQMIGRATE: Logging is active");
24 // Set to false to disable traces that appear with warnings
25 if ( jQuery.migrateTrace === undefined ) {
26 jQuery.migrateTrace = true;
29 // Forget any warnings we've already given; public
30 jQuery.migrateReset = function() {
32 jQuery.migrateWarnings.length = 0;
35 function migrateWarn( msg) {
36 var console = window.console;
37 if ( !warnedAbout[ msg ] ) {
38 warnedAbout[ msg ] = true;
39 jQuery.migrateWarnings.push( msg );
40 if ( console && console.warn && !jQuery.migrateMute ) {
41 console.warn( "JQMIGRATE: " + msg );
42 if ( jQuery.migrateTrace && console.trace ) {
49 function migrateWarnProp( obj, prop, value, msg ) {
50 if ( Object.defineProperty ) {
51 // On ES5 browsers (non-oldIE), warn if the code tries to get prop;
52 // allow property to be overwritten in case some other plugin wants it
54 Object.defineProperty( obj, prop, {
61 set: function( newValue ) {
68 // IE8 is a dope about Object.defineProperty, can't warn there
72 // Non-ES5 (or broken) browser; just set the property
73 jQuery._definePropertyBroken = true;
77 if ( document.compatMode === "BackCompat" ) {
78 // jQuery has never supported or tested Quirks Mode
79 migrateWarn( "jQuery is not compatible with Quirks Mode" );
83 var attrFn = jQuery( "<input/>", { size: 1 } ).attr("size") && jQuery.attrFn,
84 oldAttr = jQuery.attr,
85 valueAttrGet = jQuery.attrHooks.value && jQuery.attrHooks.value.get ||
86 function() { return null; },
87 valueAttrSet = jQuery.attrHooks.value && jQuery.attrHooks.value.set ||
88 function() { return undefined; },
89 rnoType = /^(?:input|button)$/i,
90 rnoAttrNodeType = /^[238]$/,
91 rboolean = /^(?:autofocus|autoplay|async|checked|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped|selected)$/i,
92 ruseDefault = /^(?:checked|selected)$/i;
95 migrateWarnProp( jQuery, "attrFn", attrFn || {}, "jQuery.attrFn is deprecated" );
97 jQuery.attr = function( elem, name, value, pass ) {
98 var lowerName = name.toLowerCase(),
99 nType = elem && elem.nodeType;
102 // Since pass is used internally, we only warn for new jQuery
103 // versions where there isn't a pass arg in the formal params
104 if ( oldAttr.length < 4 ) {
105 migrateWarn("jQuery.fn.attr( props, pass ) is deprecated");
107 if ( elem && !rnoAttrNodeType.test( nType ) &&
108 (attrFn ? name in attrFn : jQuery.isFunction(jQuery.fn[name])) ) {
109 return jQuery( elem )[ name ]( value );
113 // Warn if user tries to set `type`, since it breaks on IE 6/7/8; by checking
114 // for disconnected elements we don't warn on $( "<button>", { type: "button" } ).
115 if ( name === "type" && value !== undefined && rnoType.test( elem.nodeName ) && elem.parentNode ) {
116 migrateWarn("Can't change the 'type' of an input or button in IE 6/7/8");
119 // Restore boolHook for boolean property/attribute synchronization
120 if ( !jQuery.attrHooks[ lowerName ] && rboolean.test( lowerName ) ) {
121 jQuery.attrHooks[ lowerName ] = {
122 get: function( elem, name ) {
123 // Align boolean attributes with corresponding properties
124 // Fall back to attribute presence where some booleans are not supported
126 property = jQuery.prop( elem, name );
127 return property === true || typeof property !== "boolean" &&
128 ( attrNode = elem.getAttributeNode(name) ) && attrNode.nodeValue !== false ?
133 set: function( elem, value, name ) {
135 if ( value === false ) {
136 // Remove boolean attributes when set to false
137 jQuery.removeAttr( elem, name );
139 // value is true since we know at this point it's type boolean and not false
140 // Set boolean attributes to the same name and set the DOM property
141 propName = jQuery.propFix[ name ] || name;
142 if ( propName in elem ) {
143 // Only set the IDL specifically if it already exists on the element
144 elem[ propName ] = true;
147 elem.setAttribute( name, name.toLowerCase() );
153 // Warn only for attributes that can remain distinct from their properties post-1.9
154 if ( ruseDefault.test( lowerName ) ) {
155 migrateWarn( "jQuery.fn.attr('" + lowerName + "') may use property instead of attribute" );
159 return oldAttr.call( jQuery, elem, name, value );
163 jQuery.attrHooks.value = {
164 get: function( elem, name ) {
165 var nodeName = ( elem.nodeName || "" ).toLowerCase();
166 if ( nodeName === "button" ) {
167 return valueAttrGet.apply( this, arguments );
169 if ( nodeName !== "input" && nodeName !== "option" ) {
170 migrateWarn("jQuery.fn.attr('value') no longer gets properties");
172 return name in elem ?
176 set: function( elem, value ) {
177 var nodeName = ( elem.nodeName || "" ).toLowerCase();
178 if ( nodeName === "button" ) {
179 return valueAttrSet.apply( this, arguments );
181 if ( nodeName !== "input" && nodeName !== "option" ) {
182 migrateWarn("jQuery.fn.attr('value', val) no longer sets properties");
184 // Does not return so that setAttribute is also used
190 var matched, browser,
191 oldInit = jQuery.fn.init,
192 oldParseJSON = jQuery.parseJSON,
193 // Note: XSS check is done below after string is trimmed
194 rquickExpr = /^([^<]*)(<[\w\W]+>)([^>]*)$/;
196 // $(html) "looks like html" rule change
197 jQuery.fn.init = function( selector, context, rootjQuery ) {
200 if ( selector && typeof selector === "string" && !jQuery.isPlainObject( context ) &&
201 (match = rquickExpr.exec( jQuery.trim( selector ) )) && match[ 0 ] ) {
202 // This is an HTML string according to the "old" rules; is it still?
203 if ( selector.charAt( 0 ) !== "<" ) {
204 migrateWarn("$(html) HTML strings must start with '<' character");
207 migrateWarn("$(html) HTML text after last tag is ignored");
209 // Consistently reject any HTML-like string starting with a hash (#9521)
210 // Note that this may break jQuery 1.6.x code that otherwise would work.
211 if ( match[ 0 ].charAt( 0 ) === "#" ) {
212 migrateWarn("HTML string cannot start with a '#' character");
213 jQuery.error("JQMIGRATE: Invalid selector string (XSS)");
215 // Now process using loose rules; let pre-1.8 play too
216 if ( context && context.context ) {
217 // jQuery object as context; parseHTML expects a DOM object
218 context = context.context;
220 if ( jQuery.parseHTML ) {
221 return oldInit.call( this, jQuery.parseHTML( match[ 2 ], context, true ),
222 context, rootjQuery );
225 return oldInit.apply( this, arguments );
227 jQuery.fn.init.prototype = jQuery.fn;
229 // Let $.parseJSON(falsy_value) return null
230 jQuery.parseJSON = function( json ) {
231 if ( !json && json !== null ) {
232 migrateWarn("jQuery.parseJSON requires a valid JSON string");
235 return oldParseJSON.apply( this, arguments );
238 jQuery.uaMatch = function( ua ) {
239 ua = ua.toLowerCase();
241 var match = /(chrome)[ \/]([\w.]+)/.exec( ua ) ||
242 /(webkit)[ \/]([\w.]+)/.exec( ua ) ||
243 /(opera)(?:.*version|)[ \/]([\w.]+)/.exec( ua ) ||
244 /(msie) ([\w.]+)/.exec( ua ) ||
245 ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec( ua ) ||
249 browser: match[ 1 ] || "",
250 version: match[ 2 ] || "0"
254 // Don't clobber any existing jQuery.browser in case it's different
255 if ( !jQuery.browser ) {
256 matched = jQuery.uaMatch( navigator.userAgent );
259 if ( matched.browser ) {
260 browser[ matched.browser ] = true;
261 browser.version = matched.version;
264 // Chrome is Webkit, but Webkit is also Safari.
265 if ( browser.chrome ) {
266 browser.webkit = true;
267 } else if ( browser.webkit ) {
268 browser.safari = true;
271 jQuery.browser = browser;
274 // Warn if the code tries to get jQuery.browser
275 migrateWarnProp( jQuery, "browser", jQuery.browser, "jQuery.browser is deprecated" );
277 jQuery.sub = function() {
278 function jQuerySub( selector, context ) {
279 return new jQuerySub.fn.init( selector, context );
281 jQuery.extend( true, jQuerySub, this );
282 jQuerySub.superclass = this;
283 jQuerySub.fn = jQuerySub.prototype = this();
284 jQuerySub.fn.constructor = jQuerySub;
285 jQuerySub.sub = this.sub;
286 jQuerySub.fn.init = function init( selector, context ) {
287 if ( context && context instanceof jQuery && !(context instanceof jQuerySub) ) {
288 context = jQuerySub( context );
291 return jQuery.fn.init.call( this, selector, context, rootjQuerySub );
293 jQuerySub.fn.init.prototype = jQuerySub.fn;
294 var rootjQuerySub = jQuerySub(document);
295 migrateWarn( "jQuery.sub() is deprecated" );
300 // Ensure that $.ajax gets the new parseJSON defined in core.js
303 "text json": jQuery.parseJSON
308 var oldFnData = jQuery.fn.data;
310 jQuery.fn.data = function( name ) {
314 // Handles 1.7 which has this behavior and 1.8 which doesn't
315 if ( elem && name === "events" && arguments.length === 1 ) {
316 ret = jQuery.data( elem, name );
317 evt = jQuery._data( elem, name );
318 if ( ( ret === undefined || ret === evt ) && evt !== undefined ) {
319 migrateWarn("Use of jQuery.fn.data('events') is deprecated");
323 return oldFnData.apply( this, arguments );
327 var rscriptType = /\/(java|ecma)script/i,
328 oldSelf = jQuery.fn.andSelf || jQuery.fn.addBack;
330 jQuery.fn.andSelf = function() {
331 migrateWarn("jQuery.fn.andSelf() replaced by jQuery.fn.addBack()");
332 return oldSelf.apply( this, arguments );
335 // Since jQuery.clean is used internally on older versions, we only shim if it's missing
336 if ( !jQuery.clean ) {
337 jQuery.clean = function( elems, context, fragment, scripts ) {
338 // Set context per 1.8 logic
339 context = context || document;
340 context = !context.nodeType && context[0] || context;
341 context = context.ownerDocument || context;
343 migrateWarn("jQuery.clean() is deprecated");
345 var i, elem, handleScript, jsTags,
348 jQuery.merge( ret, jQuery.buildFragment( elems, context ).childNodes );
350 // Complex logic lifted directly from jQuery 1.8
352 // Special handling of each script element
353 handleScript = function( elem ) {
354 // Check if we consider it executable
355 if ( !elem.type || rscriptType.test( elem.type ) ) {
356 // Detach the script and store it in the scripts array (if provided) or the fragment
357 // Return truthy to indicate that it has been handled
359 scripts.push( elem.parentNode ? elem.parentNode.removeChild( elem ) : elem ) :
360 fragment.appendChild( elem );
364 for ( i = 0; (elem = ret[i]) != null; i++ ) {
365 // Check if we're done after handling an executable script
366 if ( !( jQuery.nodeName( elem, "script" ) && handleScript( elem ) ) ) {
367 // Append to fragment and handle embedded scripts
368 fragment.appendChild( elem );
369 if ( typeof elem.getElementsByTagName !== "undefined" ) {
370 // handleScript alters the DOM, so use jQuery.merge to ensure snapshot iteration
371 jsTags = jQuery.grep( jQuery.merge( [], elem.getElementsByTagName("script") ), handleScript );
373 // Splice the scripts into ret after their former ancestor and advance our index beyond them
374 ret.splice.apply( ret, [i + 1, 0].concat( jsTags ) );
385 var eventAdd = jQuery.event.add,
386 eventRemove = jQuery.event.remove,
387 eventTrigger = jQuery.event.trigger,
388 oldToggle = jQuery.fn.toggle,
389 oldLive = jQuery.fn.live,
390 oldDie = jQuery.fn.die,
391 ajaxEvents = "ajaxStart|ajaxStop|ajaxSend|ajaxComplete|ajaxError|ajaxSuccess",
392 rajaxEvent = new RegExp( "\\b(?:" + ajaxEvents + ")\\b" ),
393 rhoverHack = /(?:^|\s)hover(\.\S+|)\b/,
394 hoverHack = function( events ) {
395 if ( typeof( events ) !== "string" || jQuery.event.special.hover ) {
398 if ( rhoverHack.test( events ) ) {
399 migrateWarn("'hover' pseudo-event is deprecated, use 'mouseenter mouseleave'");
401 return events && events.replace( rhoverHack, "mouseenter$1 mouseleave$1" );
404 // Event props removed in 1.9, put them back if needed; no practical way to warn them
405 if ( jQuery.event.props && jQuery.event.props[ 0 ] !== "attrChange" ) {
406 jQuery.event.props.unshift( "attrChange", "attrName", "relatedNode", "srcElement" );
409 // Undocumented jQuery.event.handle was "deprecated" in jQuery 1.7
410 if ( jQuery.event.dispatch ) {
411 migrateWarnProp( jQuery.event, "handle", jQuery.event.dispatch, "jQuery.event.handle is undocumented and deprecated" );
414 // Support for 'hover' pseudo-event and ajax event warnings
415 jQuery.event.add = function( elem, types, handler, data, selector ){
416 if ( elem !== document && rajaxEvent.test( types ) ) {
417 migrateWarn( "AJAX events should be attached to document: " + types );
419 eventAdd.call( this, elem, hoverHack( types || "" ), handler, data, selector );
421 jQuery.event.remove = function( elem, types, handler, selector, mappedTypes ){
422 eventRemove.call( this, elem, hoverHack( types ) || "", handler, selector, mappedTypes );
425 jQuery.fn.error = function() {
426 var args = Array.prototype.slice.call( arguments, 0);
427 migrateWarn("jQuery.fn.error() is deprecated");
428 args.splice( 0, 0, "error" );
429 if ( arguments.length ) {
430 return this.bind.apply( this, args );
432 // error event should not bubble to window, although it does pre-1.7
433 this.triggerHandler.apply( this, args );
437 jQuery.fn.toggle = function( fn, fn2 ) {
439 // Don't mess with animation or css toggles
440 if ( !jQuery.isFunction( fn ) || !jQuery.isFunction( fn2 ) ) {
441 return oldToggle.apply( this, arguments );
443 migrateWarn("jQuery.fn.toggle(handler, handler...) is deprecated");
445 // Save reference to arguments for access in closure
446 var args = arguments,
447 guid = fn.guid || jQuery.guid++,
449 toggler = function( event ) {
450 // Figure out which function to execute
451 var lastToggle = ( jQuery._data( this, "lastToggle" + fn.guid ) || 0 ) % i;
452 jQuery._data( this, "lastToggle" + fn.guid, lastToggle + 1 );
454 // Make sure that clicks stop
455 event.preventDefault();
457 // and execute the function
458 return args[ lastToggle ].apply( this, arguments ) || false;
461 // link all the functions, so any of them can unbind this click handler
463 while ( i < args.length ) {
464 args[ i++ ].guid = guid;
467 return this.click( toggler );
470 jQuery.fn.live = function( types, data, fn ) {
471 migrateWarn("jQuery.fn.live() is deprecated");
473 return oldLive.apply( this, arguments );
475 jQuery( this.context ).on( types, this.selector, data, fn );
479 jQuery.fn.die = function( types, fn ) {
480 migrateWarn("jQuery.fn.die() is deprecated");
482 return oldDie.apply( this, arguments );
484 jQuery( this.context ).off( types, this.selector || "**", fn );
488 // Turn global events into document-triggered events
489 jQuery.event.trigger = function( event, data, elem, onlyHandlers ){
490 if ( !elem && !rajaxEvent.test( event ) ) {
491 migrateWarn( "Global events are undocumented and deprecated" );
493 return eventTrigger.call( this, event, data, elem || document, onlyHandlers );
495 jQuery.each( ajaxEvents.split("|"),
496 function( _, name ) {
497 jQuery.event.special[ name ] = {
501 // The document needs no shimming; must be !== for oldIE
502 if ( elem !== document ) {
503 jQuery.event.add( document, name + "." + jQuery.guid, function() {
504 jQuery.event.trigger( name, null, elem, true );
506 jQuery._data( this, name, jQuery.guid++ );
510 teardown: function() {
511 if ( this !== document ) {
512 jQuery.event.remove( document, name + "." + jQuery._data( this, name ) );
521 })( jQuery, window );