标签:return htm logs center nbsp [] add cursor offset
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <style> *{ margin: 0px; padding: 0px; } #stage{ width: 300px; height: 200px; border: 10px solid black; margin: 300px; position: relative; overflow: hidden; } #ad-banner{ width: 1500px; height: 200px; background-color: brown; position: relative; z-index: 980; /*margin-left: -300px;*/ } .ad{ position: relative; width: 300px; height: 200px; float: left; color: white; font-size: 100px; text-align: center; line-height: 200px; z-index: 990; } #btn-left,#btn-right{ width: 20px; height: 30px; position: absolute; top: 85px; background-color: black; z-index: 999; color: white; opacity: 0.5; text-align: center; line-height: 30px; font-size: 15px; font-weight: bold; } #btn-left{ left: 0px; } #btn-right{ right: 0px; } #btn-left:hover,#btn-right:hover{ opacity: 0.8; cursor: pointer; } </style> </head> <body> <div id="stage"> <div id="btn-right" onclick="moveLeftclick()">></div> <div id="btn-left" onclick="moveRightclick()"><</div> <div id="ad-banner"> <div class="ad" style="background-color: hotpink;">1</div> <div class="ad" style="background-color: darkcyan">2</div> <div class="ad" style="background-color: coral">3</div> <div class="ad" style="background-color: #4CAE4C">4</div> <div class="ad" style="background-color: blueviolet">5</div> </div> </div> </body> </html> <script> var ad_banner = document.getElementById("ad-banner"); var arr = []; var count = 1; function moveLeftclick(){ if(count == 5){ return false; }else{ arr.push(window.setInterval("moveLeft()",20)); } } function moveLeft(){ ad_banner.style.marginLeft = ad_banner.offsetLeft - 10 + "px"; if(ad_banner.offsetLeft == -300 * count) { for(var x in arr){ window.clearInterval(arr[x]); } count++; } } function moveRightclick() { if (count == 1) { return false; } else { arr.push(window.setInterval(moveRight, 20)); } } function moveRight() { ad_banner.style.marginLeft = ad_banner.offsetLeft + 10 + "px"; if (ad_banner.offsetLeft == -300 * (count - 2)) { for (var x in arr) { window.clearInterval(arr[x]); } count--; } } window.setInterval("moveLeftclick()",5000); </script>
标签:return htm logs center nbsp [] add cursor offset
原文地址:http://www.cnblogs.com/skyhorseyk/p/6979102.html