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<!DOCTYPE html> <html> <body> <h2>JavaScript 数组方法</h2> <h2>shift()</h2> <p>shift() 方法删除数组的第一个元素（并将所有其他元素“移动”到左侧）：</p> <p id="demo1"></p> <p id="demo2"></p> <script> var fruits = ["香蕉","橙子","苹果","芒果"]; document.getElementById("demo1").innerHTML = fruits; fruits.shift(); document.getElementById("demo2").innerHTML = fruits; </script> </body> </html>