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use class attribute in applyElementScopeSelector

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className can be a special object in IE

Fixes #3285
This commit is contained in:
Daniel Freedman 2016-01-15 14:07:54 -08:00
parent 9cd6b796a1
commit 07d8c0622e
1 changed files with 380 additions and 380 deletions
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4
src/lib/style-properties.html
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@ -283,14 +283,14 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
applyElementScopeSelector: function(element, selector, old, viaAttr) {
var c = viaAttr ? element.getAttribute(styleTransformer.SCOPE_NAME) :
element.className;
(element.getAttribute('class') || '');
var v = old ? c.replace(old, selector) :
(c ? c + ' ' : '') + this.XSCOPE_NAME + ' ' + selector;
if (c !== v) {
if (viaAttr) {
element.setAttribute(styleTransformer.SCOPE_NAME, v);
} else {
element.className = v;
element.setAttribute('class', v);
}
}
},