The JavaScript join function is utilized to concatenate all elements of an Array into a single string. The elements will be divided by a designated separator. By default, this separator is a comma (,).
Syntax:
Example
Array.join(separator)
Parameters:
This parameter is not mandatory; it can either be included or omitted. Its default setting is (,).
Return value:
It provides a String that encompasses the assortment of elements found within the array.
Browser Support:
| Chrome | 1.0 |
|---|---|
Edge |
Yes |
| Firefox | 1.0 |
| Opera | Yes |
Example
JavaScript TypedArray join Method
Example
<script type="text/javascript">
// JavaScript to illustrate join() method
// input array
var pyVisualizer = ['core java','C'];
//joins the elements of the array.
document.write("joins the elements of the array <br>");
document.write(pyVisualizer.join());
document.write("<br>");
//elements are seperated by dot (.).
document.write("elements are seperated by dot (.) <br>");
document.write(pyVisualizer.join('.'));
document.write("<br>");
//elements are seperated by hyphen (-).
document.write("elements are seperated by hyphen (-)<br>");
document.write(pyVisualizer.join('-'));
// expected output: arr[core javaC
//core java.C
//core java-C]
</script>
Output:
Output
Core java,C
Core java.C
Core java-C
