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022c7ef41caa7f4649df0abb7fd6d26325195847
[yaffs-website]
/
add-event-listener.js
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module.exports = addEventListener
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function addEventListener(type, listener) {
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var elem = this
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if (!elem.listeners) {
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elem.listeners = {}
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}
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if (!elem.listeners[type]) {
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elem.listeners[type] = []
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}
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if (elem.listeners[type].indexOf(listener) === -1) {
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elem.listeners[type].push(listener)
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}
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}