jQuery 1.4实用技巧

禁止右键点击

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js"></script>   
<script type="text/javascript"> 
$(document).ready(function(){    
 $(document).bind("contextmenu",function(e){   
     return false;       });  
  });  
</script> 

隐藏搜索文本框文字

$(document).ready(function() {     $("input.text1").val("Enter your search text here");        textFill($('input.text1'));     });     function textFill(input){ //input focus text function        var originalvalue = input.val();        input.focus( function(){      if( $.trim(input.val()) == originalvalue ){ input.val(''); }     });      input.blur( function(){         if( $.trim(input.val()) == '' ){ input.val(originalvalue); }     });     } 

获得鼠标指针XY值

$(document).ready(function() {        $().mousemove(function(e){          //display the x and y axis values inside the div with the id XY        $('#XY').html("X Axis : " + e.pageX + " | Y Axis " + e.pageY);      });      // how to use      <DIV id=XY></DIV>     });   

验证元素是否为空

$(document).ready(function() {         if ($('#id').html()) {         // do something       }     });  

jQuery延时加载功能

$(document).ready(function() {          window.setTimeout(function() {          // do something           }, 1000);      }); 

http://developer.51cto.com/art/201011/232413_2.htm