Miscellaneous garden Diary-Get URL parameters

functiongeturlparams (name, URL) {varLocationurl =Window.location.search; if(URL) {varS =url.indexof ("?")); Locationurl=url.substring (s); }        varReg =NewRegExp ("(^|&)" + name + "= ([^&]*) (&|$)"); varr = Locationurl.substr (1). Match (REG); if(r!=NULL)returnUnescape (r[2]); return NULL; };

1. You can get parameters in the form of a local URL string, or you can get the parameters on the URL of the Web page navigation;

2. The URL parameter of the Web navigation bar is obtained by default, that is, when the second URL parameter of the Geturlparams function is not passed;

3. such as: var blogstr = "Https://i.cnblogs.com/EditPosts.aspx?opt=1"; want to get his opt, we can use this, geturlparams (' opt ', blogstr);

You can get the value "1" corresponding to opt.

Miscellaneous garden Diary-Get URL parameters