$(this)和this、index() 、.hover()
2013-07-30 23:20
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1.$(this)和this
$(this)是jQuery对象,可以使用jQuery的方法,如:click(),keyup()...
this是html元素对象,能调用元素属性, 如:this.id this.value...
2.jQuery DOM 元素方法 - index()方法:返回指定元素的引索,.hover(function(){},function(){}),鼠标移入、移除
$(this)是jQuery对象,可以使用jQuery的方法,如:click(),keyup()...
$(document).ready(function() { $("#orderedlist li:last").hover(function() { $(this).addClass("green"); },function(){
$(this).removeClass("green"); # $(this) }); });
this是html元素对象,能调用元素属性, 如:this.id this.value...
$(document).ready(function() { // use this to reset several forms at once $("#reset").click(function() { $("form").each(function() { this.reset(); # this }); }); });
2.jQuery DOM 元素方法 - index()方法:返回指定元素的引索,.hover(function(){},function(){}),鼠标移入、移除
<script type="text/javascript"> $("li:eq(0),li:eq(1),li:eq(5)").addClass("container_more"); $("li:eq(2),li:eq(3),li:eq(4)").addClass("container_less"); mm(); function mm(){ $("li:eq(0)").hover( function(){ getChange($(this).index(this)); } ,function(){alert("11")} ); } function getChange(temp){ switch(temp){ case 0 : $("li:eq(0)").css("background","pink").html("<p class='word'>每日一练<p>" ); break; case 1 : $("li:eq(1)").css("background","pink").html("<p class='word'>每日一练<p>" ); break; case 2 : $("li:eq(2)").css("background","pink").html("<p class='word'>每日一练<p>" ); break; case 3 : $("li:eq(3)").css("background","pink").html("<p class='word'>每日一练<p>" ); break; case 4 : $("li:eq(4)").css("background","pink").html("<p class='word'>每日一练<p>" ); break; case 5 : $("li:eq(5)").css("background","pink").html("<p class='word'>每日一练<p>" ); break; } } </script>
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