1. draggable()javascript
滑動條demo:css
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style type="text/css"> .con{ width:300px; height:300px; border:1px solid #000; margin:50px auto 0; } .box{ width:50px; height:50px; background-color:hotpink; cursor:pointer; } </style> <script type="text/javascript" src="js/jquery-1.12.4.min.js"></script> <script type="text/javascript" src="js/jquery-ui.min.js"></script> <script type="text/javascript"> $(function () { //使得box能夠鼠標拖動 $('.box').draggable({ //約束元素在父級內拖動 containment:'parent', //約束元素只能橫向拖動 axis:'x', //元素拖動時透明度變爲0.6 opacity:0.6, //ui裏面有什麼能夠用console.log(ui)查看 drag:function (ev,ui) { var nowleft = ui.position.left; } }); }) </script> </head> <body> <div class="con"> <div class="box"></div> </div> </body> </html>