js公用步骤收集（不断更新中）

js公用方法收集（不断更新中）

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//公用方法 var VIM={};  VIM.common = {      //转义特殊字符      char_cv:function(str){          if (str != ''){              str = str.replace(/</g,'&lt;');              str = str.replace(/%3C/g,'&lt;');              str = str.replace(/>/g,'&gt;');              str = str.replace(/%3E/g,'&gt;');              str = str.replace(/'/g,'&#39;');              str = str.replace(/"/g,'&quot;');          }          return str;      },      //截取字符串      getStr:function(str,len){          var length = len || 6;          if (str == null) {              return 0;          }          var l = str.length;          var blen = 0;          var i = 0;          for (i = 0; i < l; i++) {              if ((str.charCodeAt(i) & 65280) != 0) {                  blen++;                  if(blen>length) break;              }              blen++;              if(blen>length) break;          }          var rStr = str.substring(0,i);          if(i<l){              rStr += "...";          }          return rStr;      },      //页面加载方法,兼容各类浏览器      attachEvent:function(elm, evType, callback, useCapture){          var obj = typeof elm == "string"?document.getElementById(elm):elm;          if (obj.addEventListener) {              obj.addEventListener(evType, callback, useCapture);              return true;          } else if (obj.attachEvent) {              var r = obj.attachEvent('on' + evType, callback);              return r;          } else {              obj['on' + evType] = callback;          }          return false;      },      getSwfObj:function(id){          var r = null;          var o = document.getElementById(id);          if (o && o.nodeName == "OBJECT") {              if (typeof o.SetVariable != UNDEF) {                      r = o;              }else {                  var n = o.getElementsByTagName(OBJECT)[0];                  if (n) {                       r = n;                  }              }          }          return r;      },      getArgs:function(){        var passedArgs = [];        var search = self.location.href;        search = search.split('?');        if(search.length>1){          var argList = search[1];          argList = argList.split('&');          for(var i=0; i<argList.length; i++){            var newArg = argList[i];            newArg = argList[i].split('=');            passedArgs[unescape(newArg[0])] = unescape(newArg[1]);          }        }        return passedArgs;      }  };