摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>时钟</title> <meta name="viewport" content="initial-scale=1, maximum-scale=1, minimu 阅读全文
摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title> <style type="text/css"> #obj{ float: left; width: 200px; height: 阅读全文
摘要：
<!DOCTYPE html><html><head lang="en"> <meta charset="UTF-8"> <title></title> <style> #div1{width: 100px; height: 100px; background: red; position: abs 阅读全文
摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title> <style type="text/css"> #div1{width: 100px; height: 100px; backgr 阅读全文
摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title> <style type="text/css"> .roll{position: relative;} .wrap ul{posit 阅读全文
摘要：
//跨浏览器兼容//跨浏览器添加事件function addEvent(obj,type,fn){ if(obj.addEventListener){ obj.addEventListener(type,fn,false); }else if(obj.attachEvent){ obj.attach 阅读全文
摘要：
function getStyle(obj,attr){ if(obj.currentStyle){ return obj.currentStyle[attr]; } else{ return getComputedStyle(obj,false)[attr]; }};function startM 阅读全文