What is the usage of join in javascript

In JavaScript, the join() method is used to convert all elements in the array into a string and set the separator between elements. The default separator is comma and the syntax is "array.join(split symbol)".

The operating environment of this tutorial: Windows 10 system, JavaScript version 1.8.5, Dell G3 computer.

What is the usage of join in javascript

The join() method is used to convert all elements in the array into a string.

Elements are separated by the specified delimiter.

The syntax is as follows:

array.join(separator)

separator is optional. Specify the delimiter to use. If this parameter is omitted, a comma is used as the delimiter.

Return a string. The string is generated by converting each element of the arrayObject to a string and then concatenating the strings, inserting the separator string between the two elements.

The example is as follows:

    
  
点击按钮将数组作为字符串输出。
 点我   

Output result:

javascript learning tutorial】

The above is the detailed content of What is the usage of join in javascript. For more information, please follow other related articles on the PHP Chinese website!