代码示例:(标识:eg_js_array_loop_for)
<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 数组</h1>

<p>遍历数组的最佳方法是使用标准的 for 循环:</p>

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

<script>
var fruits, text, fLen, i;
fruits = ["Banana", "Orange", "Apple", "Mango"];
fLen = fruits.length;

text = "<ul>";
for (i = 0; i < fLen; i++) {
  text += "<li>" + fruits[i] + "</li>";
}
text += "</ul>";

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

</body>
</html>
运行结果: