14 lines
274 B
JavaScript
14 lines
274 B
JavaScript
function arrayLastIndexOf (list, val) {
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if (list.lastIndexOf) {
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return list.lastIndexOf(val)
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}
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for (var len = list.length - 1; len >= 0; len--) {
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if (val === list[len]) {
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return len
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}
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}
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return -1
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}
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module.exports = arrayLastIndexOf
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