Remove plus sign (+) in URL query string

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Although Bibhu’s answer will work for this one case, you’ll need to add decodeURIComponent if you have encoded characters in your URI string. You also want to make sure you do the replace before the decode in case you have a legitimate + in your URI string (as %2B).

I believe this is the best general way to do it:

var x = qs("ks4day");        // 'Friday+September+13th'
x = x.replace(/\+/g, '%20'); // 'Friday%20September%2013th'
x = decodeURIComponent(x);   // 'Friday September 13th'

Here’s an example of when it might be useful:

var x = '1+%2B+1+%3D+2'; 
x = x.replace(/\+/g, '%20'); // '1%20%2B%201%20%3D%202'
x = decodeURIComponent(x);   // '1 + 1 = 2'

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