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JavaScript 数组 toSpliced() 方法
tryjsref_array_splice
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<!DOCTYPE html> <html> <body> <h1>JavaScript Arrays</h1> <h2>The toSpliced() Method</h2> <p>The toSpliced() method returns an array with added or removed array elements.</p> <p id="demo"></p> <script> // Create an Array const fruits = ["Banana", "Orange", "Apple", "Mango"]; // At position 2, add "Lemon" and "Kiwi" const fruits2 = fruits.toSpliced(2, 0, "Lemon", "Kiwi"); document.getElementById("demo").innerHTML = fruits2; </script> </body> </html>