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Bug 7587; Enhancement/1.6 Feature: Bypass regexp filter on $.parseJSON and use native thrown exceptions if window.JSON.parse is available

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This commit is contained in:
Dan Heberden 2011-04-05 01:43:14 -07:00
parent 2ed81b44be
commit a7e7dbd978
2 changed files with 10 additions and 8 deletions
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16
src/core.js
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@ -515,16 +515,18 @@ jQuery.extend({
// Make sure leading/trailing whitespace is removed (IE can't handle it)
data = jQuery.trim( data );
// Attempt to parse using the native JSON parser first
if ( window.JSON && window.JSON.parse ) {
return window.JSON.parse( data );
}
// Make sure the incoming data is actual JSON
// Logic borrowed from http://json.org/json2.js
if ( rvalidchars.test(data.replace(rvalidescape, "@")
.replace(rvalidtokens, "]")
.replace(rvalidbraces, "")) ) {
if ( rvalidchars.test( data.replace( rvalidescape, "@" )
.replace( rvalidtokens, "]" )
.replace( rvalidbraces, "")) ) {
// Try to use the native JSON parser first
return window.JSON && window.JSON.parse ?
window.JSON.parse( data ) :
(new Function("return " + data))();
return (new Function( "return " + data ))();
} else {
jQuery.error( "Invalid JSON: " + data );