How To Send Additional Javascript Code To Client From Nodejs Server After Page Load

When a popup shows up on my website, I want the div in that popup rendered one of many different ways depending on what a certain chosen setting is. Ideally, I'd want a button pre

Solution 1:

I would use eval() to solve your problem.

Using Ajax on client :

$.ajax({
    url:'MyServer/code.json',
    success : function(data, code) {
        eval(data.code);
    }
});

MyServer/code.json

{
    "code":"alert('Code from server executed.'); $('body').css({ 'background-color': '#000'});"
}

This is a simple example with JSON and this is not secure at all. Be carefull using eval().