JavaScript中的TypedArray.map()函数
map()
TypedArray对象的函数接受函数名称,并在类型数组的每个元素上调用它,然后返回结果。
语法
其语法如下
typedArray.map()
示例
<html> <head> <title>JavaScript Array every Method</title> </head> <body> <script type="text/javascript"> var int32View = new Int32Array([11, 5, 13, 4, 15, 3, 17, 2, 19, 8 ]); document.write("Contents of the typed array: "+int32View); document.write("<br>"); function square(ele) { return ele*ele; } var result = int32View.map(square); document.write("Specified element occurred at the index: "+result); </script> </body> </html>
输出结果
Contents of the typed array: 11,5,13,4,15,3,17,2,19,8 Specified element occurred at the index: 121,25,169,16,225,9,289,4,361,64