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<!DOCTYPE html> <html> <body> <h1>JavaScript 数组方法</h1> <h2>shift()</h2> <p>shift() 方法返回被移出的元素。</p> <p id="demo1"></p> <p id="demo2"></p> <p id="demo3"></p> <script> var fruits = ["Banana", "Orange", "Apple", "Mango"]; document.getElementById("demo1").innerHTML = fruits; document.getElementById("demo2").innerHTML = fruits.shift(); document.getElementById("demo3").innerHTML = fruits; </script> </body> </html>