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More defensive dom utility hasClass()
It was failing on SVG elements such as `<path>`
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@ -29,7 +29,7 @@ exports.removeChildren = function(node) {
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};
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exports.hasClass = function(el,className) {
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return el && el.className && el.className.split(" ").indexOf(className) !== -1;
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return el && el.className && el.className.toString().split(" ").indexOf(className) !== -1;
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};
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exports.addClass = function(el,className) {
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