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Make sure that undefined is returned for not found data- attributes, not null.

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This commit is contained in:
John Resig 2010-09-21 00:44:47 -04:00
parent d5d4e4df65
commit ae9df1412c
1 changed files with 4 additions and 1 deletions
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5
src/data.js
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@ -152,12 +152,15 @@ jQuery.fn.extend({
if ( data === undefined && this[0].nodeType === 1 ) {
data = this[0].getAttribute( "data-" + key );
if ( data != null ) {
if ( typeof data === "string" ) {
data = data === "true" ? true :
data === "false" ? false :
data === "null" ? null :
rnum.test( data ) ? parseFloat( data ) :
data;
} else {
data = undefined;
}
}
}