实例代码“Ctrl+/”提示“F11/ESC”全屏 返回 格式化 恢复 运行
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<!DOCTYPE html>
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<html>
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<head>
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    <title>Array Type Splice Example</title>
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    <script type="text/javascript">
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        var colors = ["red", "green", "blue"];
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        var removed = colors.splice(0,1);              //remove the first item
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        alert(colors);     //green,blue
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        alert(removed);    //red - one item array
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        removed = colors.splice(1, 0, "yellow", "orange");  //insert two items at position 1
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        alert(colors);     //green,yellow,orange,blue
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        alert(removed);    //empty array
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        removed = colors.splice(1, 1, "red", "purple");    //insert two values, remove one
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        alert(colors);     //green,red,purple,orange,blue
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        alert(removed);    //yellow - one item array
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    </script>
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</head>
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<body>
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</body>
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</html>