


I believe that everyone often encounters this function when surfing the Internet. I didn’t pay much attention to how to implement it before, until it was needed in the project.
Final effect:
After searching a lot on the Internet, it is not impossible to simply use js method, but due to the different security mechanisms of each browser, it is not cross-browser. I checked several commonly used websites, and they all use transparent flash to cover the "Copy to Clipboard" button. So when you click "Copy to Clipboard", what you click is actually Flash, and then you copy the content you need to copy. It is passed into flash, and then the incoming content is copied to the clipboard through the copy function of flash.
Load JQuery library and zclip plug-in
<script type="text/javascript" src="js/jquery-1.8.1.min.js"></script> <script src="js/jquery.zclip.min.js"></script>
The following is a small demo, which mainly copies the link in the text box to the clipboard.
HTML
<input type="text" value="www.jb51.net" id="link"> <span id="copyBtn">复制链接</span>
Then add the script
<script> $('#copyBtn').zclip({ path: "ZeroClipboard.swf", copy: function(){ return $('#link').val(); } }); </script>
Then you can directly open the web page to test. This is just a simple small application. I hope everyone can master it quickly.

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。

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。

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")”。

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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