$this
????????????$(function?()?{ ????????????????$("#btnShow").bind("click",?function?()?{ ????????????????????var?$this?=?$(this);???//這里$(this);指的是誰? ????????????????????$("ul").html("<img?src='Images/Loading.gif'?alt=''/>") ????????????????????.load?("http://idcbgp.cn/data/fruit_part.html",function(){ ????????????????????????$this.attr("disabled",?"true"); ????????????????????}); ????????????????}); ????????????});
var?$this?=?$(this);???//這里$(this);指的是誰?
2018-07-13
$(this)指id為btnShow的這個(gè)按鈕,把這個(gè)按鈕賦值給$this,完成請(qǐng)求后通過$this.attr禁用這個(gè)按鈕
2022-03-27
因?yàn)榉旁趆ead里,屬于頁面還未初始化,頁面元素還未創(chuàng)建,而放body里頁面元素已經(jīng)創(chuàng)建好,可以直接調(diào)用。<textareaclass=form-controlrows=3style=resize:none;></textarea>我這樣設(shè)置了一下,沒有那個(gè)拖動(dòng)的了啊
2018-08-11
this,指的是DOM對(duì)象,$(this),把dom對(duì)象轉(zhuǎn)化為jquery對(duì)象,在后面調(diào)用jquery對(duì)象的attr()