https://saturn.tlt.co.jp/pdocs/js/search/util.js

1/**
2 * create url for GET
3 * @param oldUrl
4 * @param param
5 * @param value
6 * @returns
7 */
8function replaceUrlParam(oldUrl,param,value){
9	if(!_not_nullcheck_str(param)){
10		return oldUrl;
11	}
12	var newUrl;
13	value = encodeURI(value);
14	ref1 = new RegExp("[?&]"+param+"\s*=");
15	if ( ref1.test(oldUrl)) {
16		ref = new RegExp("(?:([?&])"+param+"\s*=[^?&]*)");
17		newUrl = oldUrl.replace(ref, "$1" + param + "=" + value);
18	} else if (/\?/.test(oldUrl)) {
19		newUrl = oldUrl + "&"+param+"=" + value;
20	} else {
21		newUrl = oldUrl + "?"+param+"=" + value;
22	}
23	return newUrl;
24}
25
26function removeUrlParam(oldUrl,param){
27	ref = new RegExp("[?&]" + param + "=[^?&]*");
28	newUrl = oldUrl.replace(ref, "");
29	return newUrl;
30}
31
32/**
33 * null check
34 * @param str
35 * @returns
36 */
37function _not_nullcheck_str(str){
38	if(str != null && str != '' && str != undefined){
39		return true;
40	}else{
41		return false;
42	}
43}