13 lines
261 B
JavaScript
13 lines
261 B
JavaScript
function arrayIndexOf (list, val) {
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if (list.indexOf) {
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return list.indexOf(val)
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}
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for (var index = 0, len = list.length; index < len; index++) {
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if (val === list[index]) {
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return index
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}
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}
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}
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module.exports = arrayIndexOf
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