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Add parseHTML for explicitly parsing strings into html. Fixes #11617.

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This commit is contained in:
timmywil
2012-06-21 15:28:57 -04:00
parent 7ff3da186c
commit e2497c682f
2 changed files with 60 additions and 17 deletions
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48
src/core.js
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@@ -104,7 +104,6 @@ jQuery.fn = jQuery.prototype = {
// Handle HTML strings
if ( typeof selector === "string" ) {
// Are we dealing with HTML string or an ID?
if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
// Assume that strings that start and end with <> are HTML and skip the regex check
match = [ null, selector, null ];
@@ -118,19 +117,10 @@ jQuery.fn = jQuery.prototype = {
context = context instanceof jQuery ? context[0] : context;
doc = ( context && context.nodeType ? context.ownerDocument || context : document );
// If a single string is passed in and it's a single tag
// just do a createElement and skip the rest
ret = rsingleTag.exec( selector );
if ( ret ) {
selector = [ doc.createElement( ret[1] ) ];
if ( jQuery.isPlainObject( context ) ) {
this.attr.call( selector, context, true );
}
} else {
ret = jQuery.buildFragment( [ match[1] ], doc );
selector = ( ret.cacheable ? jQuery.clone(ret.fragment) : ret.fragment ).childNodes;
// scripts is true for back-compat
selector = jQuery.parseHTML( match[1], doc, true );
if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
this.attr.call( selector, context, true );
}
return jQuery.merge( this, selector );
@@ -459,8 +449,32 @@ jQuery.extend({
throw new Error( msg );
},
// data: string of html
// context (optional): If specified, the fragment will be created in this context, defaults to document
// scripts (optional): If true, will include scripts passed in the html string
parseHTML: function( data, context, scripts ) {
var parsed;
if ( !data || typeof data !== "string" ) {
return null;
}
if ( typeof context === "boolean" ) {
scripts = context;
context = 0;
}
context = context || document;
// Single tag
if ( (parsed = rsingleTag.exec( data )) ) {
return [ context.createElement( parsed[1] ) ];
}
parsed = jQuery.buildFragment( [ data ], context, scripts ? null : [] );
return jQuery.merge( [],
(parsed.cacheable ? jQuery.clone( parsed.fragment ) : parsed.fragment).childNodes );
},
parseJSON: function( data ) {
if ( typeof data !== "string" || !data ) {
if ( !data || typeof data !== "string") {
return null;
}
@@ -486,10 +500,10 @@ jQuery.extend({
// Cross-browser xml parsing
parseXML: function( data ) {
if ( typeof data !== "string" || !data ) {
var xml, tmp;
if ( !data || typeof data !== "string" ) {
return null;
}
var xml, tmp;
try {
if ( window.DOMParser ) { // Standard
tmp = new DOMParser();