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This post Populate Query String to new form helped me.

<script type="text/javascript">

// this line works for chrome only   window.addEventListener("load", function(){
    //....
document.onreadystatechange = function(){
if(document.readyState === 'complete'){

var URL= String(window.location.href);
//URL.substring(URL.indexOf("=")+1,URL.length)
alert(URL.substring(URL.indexOf("=")+1,URL.length));
document.getElementById("ctl00_m_g_a8ed3c5c_7048_43bd_b68a_52ec97ab99af_ctl00_ctl02_ctl00_ctl00_ctl00_ctl04_ctl00_ctl00_TextField").value = URL.substring(URL.indexOf("=")+1,URL.length);
}
}
</script>