JS to obtain the URL hyperlink parameter value

[Javascript] varurllocation. href; // obtain the keyword parameter value vares/keyword/;es.exe c (url); varresultRegExp. rightContext; varurllocation. href; // obtain the keyword parameter value vares/keyword/; es. ex.

[Javascript]
Var url = location. href;
// Obtain the keyword parameter value
Var es =/keyword = /;
Es.exe c (url );
Var result = RegExp. rightContext;

Var url = location. href;
// Obtain the keyword parameter value
Var es =/keyword = /;
Es.exe c (url );
Var result = RegExp. rightContext;

For example:
[Javascript]
Var url = location. href;
// Obtain the pid parameter value
Var es =/pid = /;
Es.exe c (url );
Var pid = RegExp. rightContext;
 
Var aurl = "& pid =" + pid;

Var url = location. href;
// Obtain the pid parameter value
Var es =/pid = /;
Es.exe c (url );
Var pid = RegExp. rightContext;

Var aurl = "& pid =" + pid;
[Javascript]
Alert (pid); // result: & pid = 37

Alert (pid); // result: & pid = 37