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<title>菜鸟教程(runoob.com)</title>
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<h1>JavaScript 数组</h1>
<h2>lastIndexOf() 方法</h2>

<p>lastIndexOf() 指定元素的最后一个索引值：</p>

<p id="demo"></p>

<script>
const fruits = ["Apple", "Orange", "Apple", "Mango"];
let index = fruits.lastIndexOf("Apple");

document.getElementById("demo").innerHTML = index;
</script>

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