Javascript separation and ampersand
Consider the following URL:
http://test/Preview.aspx?By=AJ_Swift&Title=Meeting_Planning_&_Participation
From the above url, I add the values of each query string. For the header query string, I need to split it with the underscore "_" and replace / concatenate with a space. The problem is "&". The javasript splitting stops right at '&' and avoids all of the following.
var title = vars['Title'].split("_").join(" ");
gives me Meeting Planning
How do I split and join, so I get Meeting Planning & Participation
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2 answers
function getQueryVariable(url, query) {
url = url.replace(/.*?\?/, "");
url = url.replace(/_&_/, "_%26_");
var vars = url.split('&');
for (var i = 0; i < vars.length; i++) {
var pair = vars[i].split('=');
if (decodeURIComponent(pair[0]) == query) {
return decodeURIComponent(pair[1]);
}
}
console.log('Query variable %s not found', variable);
}
Using:
var url = "http://test/Preview.aspx?By=AJ_Swift&Title=Meeting_Planning_&_Participation "
var By = getQueryVariable(url, 'By');
var Title = getQueryVariable(url, 'Title');
Title = Title.replace(/_/ig, " ");
console.log(By);
console.log(Title);
Output:
AJ_Swift
Meeting Planning & Participation
Demo:
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You can just replace _
with a space like below.
"Meeting_Planning_&_Participation".replace(/_/g, " ");
All code:
function getParam(query, key) {
var vars = query.split(/&(?![_])/);
for (var i = 0; i < vars.length; i++) {
var pair = vars[i].split("=");
if (pair[0] == key) return pair[1];
}
}
var url = "http://test/Preview.aspx?By=AJ_Swift&Title=Meeting_Planning_&_Participation";
var query = url.replace(/.*?\?/, "");
var title = getParam(query, "Title");
alert(title.replace(/_/g, " "));
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