<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <script src="jquery.min.js"></script> </head> <style> .demo{ 400px; height: 400px; background: red; } .test1{ 50px; height: 50px; background: yellow; } </style> <body> <div class="demo"> <ul> <li><a href=""></a>1</li> <li><a href=""></a>2</li> <li><a href=""></a>3</li> <li><a href=""></a>4</li> <li><a href=""></a>5</li> </ul> </div> </body> <script> // after 是在选中元素的后面 $('.demo').after("<div class='test1'></div>") // before是在选中元素的前面 $('.demo').before("<div class='test1'></div>") // append 是在选中元素的内部的所有元素后面 $('.demo').append("<div class='test1'></div>") // prepend是在选中元素的内部的所有元素的前面 $('.demo').prepend("<div class='test1'></div>") </script> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <script src="jquery.min.js"></script> </head> <style> .demo{ 400px; height: 400px; background: red; position: relative; } .test1{ 50px; height: 50px; background: yellow; position: absolute; top:0; left:0; } </style> <body> <input type="button" value="start" class="start"> <input type="button" value="stop" class="stop"> <div class="demo"> <div class="test1"></div> </div> </body> <script> $('.start').click(function(){ $(".test1").animate({left:'+=200'},1500); }) $('.stop').click(function(){ $('.test1').clearQueue(); $('.test1').stop(); }) </script> </html>