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<!DOCTYPE html>
<html>
<body>
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<h1>JavaScript 数组</h1>
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<p>Array.splice() 方法添加数组元素：</p>
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<p id="demo"></p>
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<script>
const fruits = ["Banana", "Orange", "Apple", "Mango"];
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// 在位置 2，添加 2 个元素：
fruits.splice(2, 0, "Lemon", "Kiwi");
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document.getElementById("demo").innerHTML = fruits;
</script>
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</body>
</html>
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