Concat method instance of JavaScript string object (used to concatenate two or more strings)_Basic knowledge

JavaScript concat method

The

concat method connects two or more strings, its syntax is as follows:

Copy code The code is as follows:

str_object.concat(str1, str2, ...)

str_object is the first string (object) that needs to be connected, str1 is the second string that needs to be connected, str2 is the third string that needs to be connected, and so on, at least one str1 is required.

concat instance

Copy code The code is as follows:

Run this example, output:
www.jb51.net
Tip: It is usually more convenient to use the algorithm to connect strings. For details, see: "JavaScript Operators".