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client/polyfill: add .querySelector to NodeList

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rr- 2016-06-08 22:37:59 +02:00
parent dfb2e3d027
commit 009e13c6d8
1 changed files with 13 additions and 0 deletions
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13
client/js/util/polyfill.js
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@ -3,6 +3,19 @@
// fix iterating over NodeList in Chrome and Opera // fix iterating over NodeList in Chrome and Opera
NodeList.prototype[Symbol.iterator] = Array.prototype[Symbol.iterator]; NodeList.prototype[Symbol.iterator] = Array.prototype[Symbol.iterator];
NodeList.prototype.querySelector = function(...args) {
for (let node of this) {
if (node.nodeType === 3) {
continue;
}
const result = node.querySelector(...args);
if (result) {
return result;
}
}
return null;
}
// non standard // non standard
Node.prototype.prependChild = function(child) { Node.prototype.prependChild = function(child) {
if (this.firstChild) { if (this.firstChild) {