Question

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How to escape & in a POST request in jQuery?

I am using the jQuery ajax to do auto complete on my website. I am running into a problem though, an & can be stored in the database and that just wreaks havoc with my posted variables.
What it needs to do: ajax=true&search=t&w (With the ampersand and w part of the search variable)

What it does though is it creates a new post variable of w.

Is there a way to block the ampersand from creating a new post variable, or do I just need to change the &'s to and/And

Here is my code:

$.ajax({
    url: page_url,
    type: 'POST',
    data: 'ajax=true&search='+$('#search_string').val(),
    success: function(data){

    }
});

If the values are encoded, how will the database handle the encoded &?

Answer 1

If you set the value passed to data as an object it will painlessly encode:

data: {ajax:isAjaxTrue, search: searchValue}

see: How to escape & in a POST request in jQuery?