How can I pre-populate html form input fields from url parameters?

Question

I have a vanilla html page which has a form in it. A requirement has come in to be able to pre-populate the form via the url. Something like:

http://some.s         


        

Answer 1

Use a custom query string Javascript function.

function querySt(ji) {

    hu = window.location.search.substring(1);
    gy = hu.split("&");

    for (i=0;i

Then assign the retrieved value to the input control; something like:

document.getElementById('mytxt').value = koko;