wayne173

用focus设置输入光标的时候,默认情况下,在IE,谷歌浏览器,苹果(safari)浏览器下是在输入框的最前面,在火狐,opera下是在输入框的文字最后面。如果想自己设置,下面有两个jquery的扩展,可供参考。

$.fn.focusEnd=function(){
                return this.each(function(){
                    var A=this;
                    if(A.style.display!="none"){
                        if($.browser.msie){
                            A.focus();
                            var B=A.createTextRange();
                            B.collapse(false);
                            B.select()
                        }else{
                            A.setSelectionRange(A.value.length,A.value.length);
                            A.focus()
                        }
                    }
                });
            };
   $.fn.focusStart = function(){
     return this.each(function(){
     var A=this;
     if(A.style.display!="none"){
      if($.browser.msie){
       A.focus();
       var B=A.createTextRange();
       B.collapse(true);
       B.select()
      }else{
       A.setSelectionRange(0,0);
       A.focus()
      }
     }
    });
   };

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