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源代码：
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>素材8网教程(study.sucai8.cn)</title> </head> <body> <p>点击按钮填充 “Runoob” 到数组的最后两个元素。</p> <button onclick="myFunction()">点我</button> <p id="demo"></p> <p><strong>注意:</strong> IE 11 及更早版本不支持 fill() 方法。</p> <script> var fruits = ["Banana", "Orange", "Apple", "Mango"]; document.getElementById("demo").innerHTML = fruits; function myFunction() { document.getElementById("demo").innerHTML = fruits.fill("Runoob",2,4); } </script> </body> </html>
运行结果