Script block in html to CakePHP

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1

Please, how to edit my script block to CakePHP 3 framework ?

code is here:

<script>
    var browserName;

    if ((window.opr && opr.addons) || window.opera || (navigator.userAgent.indexOf(' OPR/') >= 0))
    browserName = "Opera";

    if (typeof InstallTrigger !== 'undefined')
    browserName = "Firefox";

    if (Object.prototype.toString.call(window.HTMLElement).indexOf('Constructor') > 0)
    browserName = "Safari";

    if ((/*@cc_on!@*/false) || (document.documentMode))
    browserName = "IE";

    if (!(document.documentMode) && window.StyleMedia)
    browserName = "Edge";

    if (window.chrome && window.chrome.webstore)
    browserName = "Chrome";

    if (browserName == "IE") {
        document.querySelector("#SecondSlide .content").style.transform = "translate(-50%,-50%)";
        var pocitadloPart = document.querySelectorAll("#ThirdSlide div[class|='Poc'] > div");
        for (var i = 0; i != pocitadloPart.length;i++) {
            pocitadloPart[i].style.transform = "translate(-50%,-50%)";
        }
    }
</script>