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<!DOCTYPE html> <html> <body> <h2>JavaScript 数组</h2> <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 = ["香蕉","橙子","苹果","芒果"]; 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>