This article mainly introduces jQueryCompositeEventCombined with the usage of the toggle() method, the example analyzes the function, definition and use of the toggle() method in conjunction with composite events For operational skills, friends in need can refer to
This article describes the use of jQuery compound events combined with the toggle() method. Share it with everyone for your reference, the details are as follows:
Definition and usage
toggle()
method is used to bind Define two or more event handler function to respond to the click event of the selected element in turn.
Syntax:
$(selector).toggle(function1(),function2(),functionN(),.. .)<br>
Alternates between two or more functions when the specified element is clicked.
Bound with methods hide()
and show()
to achieve folding effect;
Specific examples:
<script type="text/javascript" src="js/jquery.js "></script> <script type="text/javascript"> $(function(){ $("#dt1").toggle( function(){$("#p1").show();}, function(){$("#p1").hide();} ); }) </script> <dl> <dt id="dt1">新闻管理</dt> <p id="p1"> <dd>发布新闻</dd> <dd>新闻列表</dd> <dd>回收站</dd> </p> </dl>
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实现方法:1、用“$("img").delay(毫秒数).fadeOut()”语句,delay()设置延迟秒数;2、用“setTimeout(function(){ $("img").hide(); },毫秒值);”语句,通过定时器来延迟。

修改方法:1、用css()设置新样式,语法“$(元素).css("min-height","新值")”;2、用attr(),通过设置style属性来添加新样式,语法“$(元素).attr("style","min-height:新值")”。

区别:1、axios是一个异步请求框架,用于封装底层的XMLHttpRequest,而jquery是一个JavaScript库,只是顺便封装了dom操作;2、axios是基于承诺对象的,可以用承诺对象中的方法,而jquery不基于承诺对象。

增加元素的方法:1、用append(),语法“$("body").append(新元素)”,可向body内部的末尾处增加元素;2、用prepend(),语法“$("body").prepend(新元素)”,可向body内部的开始处增加元素。

删除方法:1、用empty(),语法“$("div").empty();”,可删除所有子节点和内容;2、用children()和remove(),语法“$("div").children().remove();”,只删除子元素,不删除内容。

在jquery中,apply()方法用于改变this指向,使用另一个对象替换当前对象,是应用某一对象的一个方法,语法为“apply(thisobj,[argarray])”;参数argarray表示的是以数组的形式进行传递。

去掉方法:1、用“$(selector).removeAttr("readonly")”语句删除readonly属性;2、用“$(selector).attr("readonly",false)”将readonly属性的值设置为false。

on()方法有4个参数:1、第一个参数不可省略,规定要从被选元素添加的一个或多个事件或命名空间;2、第二个参数可省略,规定元素的事件处理程序;3、第三个参数可省略,规定传递到函数的额外数据;4、第四个参数可省略,规定当事件发生时运行的函数。


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