日期:2014-05-16 浏览次数:20309 次
做人要厚道,转载请注明
就是那种点上下箭头加减数字的东东 , 费话少说,上代码
?
//itsuki@20110405 function spinner( _target ){ var _this = this; this.target = {}; this.spin = null; this.step = 1; this.bind = function(){ if (!this.target) return false; this.spin = document.createElement( "label" ); this.spin.style.cssText = "display:inline-block;width:20px;height:24px;overflow:auto;overflow-y:scroll;vertical-align:middle;"; this.spin.innerHTML = "<br/><br/><br/><br/>"; this.spin.onmouseover = function(){ _this.spin.scrollTop = 1; } this.spin.onscroll = function(){ if ( _this.spin.scrollTop == _this.spin.getAttribute("orgscrolltop") ) return; if (_this.spin.scrollTop!=1){ if (!_this.target.value || isNaN(_this.target.value)) _this.target.value=0; if (_this.spin.scrollTop==0){ _this.target.value = parseFloat(_this.target.value,10)+_this.step; }else{ _this.target.value = parseFloat(_this.target.value,10)-1; if (parseFloat(_this.target.value,10)<0) _this.target.value=0; } } _this.spin.setAttribute("orgscrolltop",_this.spin.scrollTop); _this.spin.scrollTop = 1; } if (this.target.nextSibling){ this.target.parentNode.insertBefore( this.spin , this.target.nextSibling ); }else{ this.target.parentNode.appendChild( this.spin ); } } if (_target){ this.target = document.getElementById( _target ); this.bind(); } }
?
HOW TO USE
?
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>-</title> <script type="text/javascript" src="/scripts/class.spinner.js"></script> </head> <body> <div > <input id="input1" /> <input id="input2" /> <script type="text/javascript"> new spinner("input1"); new spinner("input2"); </script> </div> </body> </html>?
兼容性:
测试了IE和chrome木有问题,FF下必须要设置高度为34以上才有滚动条,囧...反正FF恶心也不是一天两天了...
?
?
?
?
?