01 2014 档案

js判断上传文件的大小
摘要：HTML: JS: var obj_file = document.getElementById("fileuploade"), check = $("#check"), sub = $("#submit1"); var flag = false; function checkfile(obj_file, maxsize){ var filesize = 0; if(obj_file.files){ filesize = obj_... 阅读全文
posted @ 2014-01-06 16:56 楚玉 阅读(346) 评论(0) 推荐(0)
函数节流
摘要：上次又一次做了一个div固定的效果，考虑到onscroll会不停的执行。var _b = $("#bottom"); $(window).scroll(function(){ var t = $(window).scrollTop(), str; console.log(t) if(t >= 200){ str = {"position" : "fixed", "top" : 200 + "px", "right" : "0px"}; }else{ 阅读全文
posted @ 2014-01-03 14:15 楚玉 阅读(213) 评论(0) 推荐(0)
复习事件委托
摘要：Css:#click-wrap{width: 900px;height: 30px;background: #fc0;}button{display: inline-block;width: 180px;height: 30px;line-height: 30px;text-align: left;padding: 0 20px;cursor: pointer;}HTML : click me: 0 click me too: 0 click me three: 0 JS : var wrap = document.getElemen... 阅读全文
posted @ 2014-01-02 18:12 楚玉 阅读(246) 评论(1) 推荐(0)