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Fixes #7328. When getting data- attributes, after-cap any embedded dashes per the W3C HTML5 spec.

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Alexis Abril 2011-04-10 15:17:00 -04:00 committed by Dave Methvin
parent 8c40c00fac
commit 8c318bf414
2 changed files with 26 additions and 5 deletions
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12
src/data.js
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@ -1,6 +1,7 @@
(function( jQuery ) {
var rbrace = /^(?:\{.*\}|\[.*\])$/;
var rbrace = /^(?:\{.*\}|\[.*\])$/,
rmultiDash = /([a-z])([A-Z])/g;
jQuery.extend({
cache: {},
@ -223,12 +224,13 @@ jQuery.fn.extend({
data = jQuery.data( this[0] );
if ( this[0].nodeType === 1 ) {
var attr = this[0].attributes, name;
var attr = this[0].attributes, name;
for ( var i = 0, l = attr.length; i < l; i++ ) {
name = attr[i].name;
if ( name.indexOf( "data-" ) === 0 ) {
name = name.substr( 5 );
name = jQuery.camelCase( name.substring(5) );
dataAttr( this[0], name, data[ name ] );
}
}
@ -282,7 +284,9 @@ function dataAttr( elem, key, data ) {
// If nothing was found internally, try to fetch any
// data from the HTML5 data-* attribute
if ( data === undefined && elem.nodeType === 1 ) {
data = elem.getAttribute( "data-" + key );
name = "data-" + key.replace( rmultiDash, "$1-$2" ).toLowerCase();
data = elem.getAttribute( name );
if ( typeof data === "string" ) {
try {

19
test/unit/data.js
View file

@ -485,4 +485,21 @@ if (window.JSON && window.JSON.stringify) {
equals( JSON.stringify(obj), '{"foo":"bar"}', "Expando is hidden from JSON.stringify" );
});
}
}
test("jQuery.data should follow html5 specification regarding camel casing", function() {
expect(6);
var div = jQuery("<div id='myObject' data-foo='a' data-foo-bar='b' data-foo-bar-baz='c'></div>")
.prependTo("body");
equals(div.data().foo, "a", "Verify single word data-* key");
equals(div.data().fooBar, "b", "Verify multiple word data-* key");
equals(div.data().fooBarBaz, "c", "Verify multiple word data-* key");
equals(div.data("foo"), "a", "Verify single word data-* key");
equals(div.data("fooBar"), "b", "Verify multiple word data-* key");
equals(div.data("fooBarBaz"), "c", "Verify multiple word data-* key");
div.remove();
});