JavaScript join()方法用于将Array的所有元素连接到字符串中。元素将由指定的分隔符分隔。默认的分隔符是逗号(,)。
Array.join(separator)
它是可选的,可以用作参数,也可以不将其默认值为(,)。
它返回包含数组元素集合的String。
Chrome | 1.0 |
Edge | 是 |
Firefox | 1.0 |
Opera | 是 |
JavaScript TypedArray join()方法
<script type="text/javascript"> // JavaScript to illustrate join() method //input array var JavaTpoint = ['core java','C']; //joins the elements of the array. document.write("joins the elements of the array <br>"); document.write(JavaTpoint.join()); document.write("<br>"); //elements are seperated by dot (.). document.write("elements are seperated by dot (.) <br>"); document.write(JavaTpoint.join('.')); document.write("<br>"); //elements are seperated by hyphen (-). document.write("elements are seperated by hyphen (-)<br>"); document.write(JavaTpoint.join('-')); // expected output: arr[core javaC //core java.C //core java-C] </script>
输出:
Core java,C Core java.C Core java-C
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