1. [代码][JavaScript]代码
| 123456789101112131415161718192021222324252627282930313233343536373839404142 | /* * jQuery placeholder, fix for IE6,7,8,9 * @author JENA * @since 20131115.1504 * @website ishere.cn */var //检测 _check : function(){ returnin document.createElement('input'); }, //初始化 init : function(){ if(!this._check()){ this.fix(); } }, //修复 fix : function(){ jQuery(':input[placeholder]').each(function(index, element) { varthis), txt = self.attr('placeholder'); self.wrap($('<div></div>').css({position:'relative', zoom:'1', border:'none', background:'none', padding:'none', margin:'none'})); vartrue), paddingleft = self.css('padding-left'); var'<span></span>').text(txt).css({position:'absolute', left:pos.left, top:pos.top, height:h, lienHeight:h, paddingLeft:paddingleft, color:'#aaa'}).appendTo(self.parent()); self.focusin(function(e) { holder.hide(); }).focusout(function(e) { if(!self.val()){ holder.show(); } }); holder.click(function(e) { holder.hide(); self.focus(); }); }); }};//执行jQuery(function(){ JPlaceHolder.init(); }); |
2. [代码]使用方法 跳至 [1] [2] [全屏预览]
| 123456789101112131415161718192021222324252627 | <!doctype<html><head><meta="utf-8"><title>jQuery JPlaceholder Demo</title><script="jquery-1.8.3.min.js"></script><script="jquery.JPlaceholder.js"></script></head> <body><form><div> <ul> <li> <input="text"="username"="用户名"> </li> <li> <input="password"="username"="密码"> </li> <li> <button="button">登录</button> </li> </ul></div></form></body></html> |