How to efficiently change image attribute “src” from relative URL to absolute using jQuery?

Question

I need to change the src for an html image tag from relative to absolute url.

I am using the following code. urlRelative and urlAbsolute are created correct

Answer 1

The replace method in Javascript returns a value, and does not act upon the existing string object. See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replace

In your example, you will have to do

$(this).attr("src", $(this).attr("src").replace(...))