Customize a QS application/inquiry form via jQuery/JS

qsCustomize.js

var loadingForQS = setInterval(function() {
    if (typeof _qs$ !== "undefined" && _qs$(".qslabel").length) {
        clearInterval(loadingForQS);
        qsCustomize(_qs$)
    }
});

function qsCustomize($) {
    // do something
}