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Click Add to dynamically add two text boxes: representing the values of x and y respectively. Click Cancel to delete the two text boxes in this row
Remember to introduce jquery.js
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jquery实现多少秒后隐藏图片Apr 20, 2022 pm 05:33 PM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(){ $("img").hide(); },毫秒值);”语句，通过定时器来延迟。
axios与jquery的区别是什么Apr 20, 2022 pm 06:18 PM区别：1、axios是一个异步请求框架，用于封装底层的XMLHttpRequest，而jquery是一个JavaScript库，只是顺便封装了dom操作；2、axios是基于承诺对象的，可以用承诺对象中的方法，而jquery不基于承诺对象。
jquery怎么修改min-height样式Apr 20, 2022 pm 12:19 PM修改方法：1、用css()设置新样式，语法“$(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“$(元素).attr("style","min-height:新值")”。
jquery怎么在body中增加元素Apr 22, 2022 am 11:13 AM增加元素的方法：1、用append()，语法“$("body").append(新元素)”，可向body内部的末尾处增加元素；2、用prepend()，语法“$("body").prepend(新元素)”，可向body内部的开始处增加元素。
jquery中apply()方法怎么用Apr 24, 2022 pm 05:35 PM在jquery中，apply()方法用于改变this指向，使用另一个对象替换当前对象，是应用某一对象的一个方法，语法为“apply(thisobj,[argarray])”；参数argarray表示的是以数组的形式进行传递。
jquery怎么删除div内所有子元素Apr 21, 2022 pm 07:08 PM删除方法：1、用empty()，语法“$("div").empty();”，可删除所有子节点和内容；2、用children()和remove()，语法“$("div").children().remove();”，只删除子元素，不删除内容。
jquery怎么去掉只读属性Apr 20, 2022 pm 07:55 PM去掉方法：1、用“$(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。
jquery on()有几个参数Apr 21, 2022 am 11:29 AMon()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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