About the implementation of JS effect function

window.onerror = function(a,b,c,d,e){
	（new Image).src = '/m?p=${location.href}&a=${a}&b=${b}&c=${c}&d=${d}&e=${e.statck}'
}

tail -f access.log | awk '/m/{c++; print c,$0} {}'

function curentTime(){ 
    var now = new Date();
    var year = now.getFullYear();
    var month = now.getMonth() + 1;
    var day = now.getDate();
    var hh = now.getHours();
    var mm = now.getMinutes();
    var ss = now.getSeconds();

    var clock = year + "-";
    if(month < 10) clock += "0";
    clock += month + "-";
   
    if(day < 10) clock += "0";
    clock += day + " ";
   
    if(hh < 10) clock += "0";  
    clock += hh + ":";

    if (mm < 10) clock += &#39;0&#39;; 
    clock += mm + ":";

    if (ss < 10) clock += &#39;0&#39;; 
    clock += ss; 

    return(clock);