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<body>
<h2>JavaScript 数组方法</h2>
<h2>toString()</h2>
<p>toString() 方法返回一个数组作为逗号分隔的字符串:</p>
<p id="demo"></p>
<script>
var fruits = ["香蕉","橙子","苹果","芒果"];
document.getElementById("demo").innerHTML = fruits.toString();
</script>
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