[Javascript] Function 모음.

//백스페이스 방지. 2015.10.20 추가. $(document).keydown(function(e){      if(e.target.nodeName != "INPUT" && e.target.nodeName != "TEXTAREA" ){          if(e.keyCode === 8){          return false ;          }      } });

/* FireFox는 window.event가 없어서 추가 */    if($.browser.mozilla){     $.each(["mousedown", "mouseover", "mouseout", "mousemove", "mousedrag", "click", "dblclick"], function(i, eventName){       window.addEventListener(eventName, function (e){         window.event = e;       });     });   }

function isIE() {   if( navigator.userAgent.indexOf( "MSIE")>=0 || navigator.userAgent.indexOf( "Trident")>=0)     return true ;   else     return false ; }

/**  * Escape 문자 -> HTML  * .replace(/&/g, '&amp;').replace(/>/g, '&gt;').replace(/< /g, '&lt;').replace(/\n/g, '<br>' ).replace(/ /g, '&nbsp;'));  */ var entityMap = {   "&": "&amp;",   "<": "&lt;",   ">": "&gt;",   '"': "&quot;",   "'": "&#39;",   "/": "&#x2F;",   " ": "&nbsp;" };   function escapeHtml(string) {   return String(string).replace(/[& <>"'\/]/g, function (s) {     return entityMap[s];   }); }

//yyyymmdd 형태로 포매팅된 날짜 반환 Date.prototype.yyyymmdd = function() {     var yyyy = this.getFullYear().toString();     var mm = ( this.getMonth() + 1).toString();     var dd = this.getDate().toString();         return yyyy + (mm[1] ? mm : '0'+mm[0]) + (dd[1] ? dd : '0' +dd[0]); }   console.log((new Date()).yyyymmdd());

/**  * replaceAll 구현  */ function replaceAll(sValue, param1, param2) {     return sValue.split(param1).join(param2); }   // replaceAll prototype 추가 String.prototype.replaceAll = function () {     var a = arguments, length = a.length;     if ( length == 0 )     {         return this ;     }     var regExp = new RegExp( a[0], "g" );     if ( length == 1 )     {          return this .replace(regExp, "");     }     else     {         return this .replace(regExp, a[1]);     }     return this ; };