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<!DOCTYPE html>
<html>
<body>
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<h1>JavaScript 数组</h1>
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<p>遍历数组的最佳方法是使用标准的 for 循环：</p>
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<p id="demo"></p>
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<script>
var fruits, text, fLen, i;
fruits = ["Banana", "Orange", "Apple", "Mango"];
fLen = fruits.length;
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text = "<ul>";
for (i = 0; i < fLen; i++) {
  text += "<li>" + fruits[i] + "</li>";
}
text += "</ul>";
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document.getElementById("demo").innerHTML = text;
</script>
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</body>
</html>
​