JSFiddle - React, Tailwind, and code Playground

by doug65536

JavaScript

function evil_javascript()
{
    document.body.innerHTML = '<p id="foo">Evil javascript</img>';
}

// ... somewhere else
var orig_evil_javascript = evil_javascript;
evil_javascript = function() {
    var ret = orig_evil_javascript.apply(this, arguments);
    
    // .. do stuff after evil code
    alert($('#foo').text() + " call hooked by my code");
    
    return ret;
}


evil_javascript();