JQ輪播圖(多張同時顯示)
阿新 • • 發佈:2018-12-20
HTML:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title></title> <script type="text/javascript" src="js/jquery-3.3.1.js"></script> <script type="text/javascript" src="js/test.js"></script> <link rel="stylesheet" type="text/css" href="css/test.css" /> </head> <body> <div id="carousel" class="clearfix"></div> </body> </html>
CSS:
*{ display: block; margin: 0px; border: 0px; } .clearfix:after{ display: block; content:''; clear: both; height:0; } #carousel{ width: 1224px; height: 144px; margin: 50px auto; position: relative; } #carousel>img{ cursor: pointer; width: 256px; height: 144px; float: left; margin: 0 20px; } #previous,#next{ float: left; line-height: 50px; margin-top: 47px; font-size: 25px; cursor: pointer; }
JQ:
$(function(){ $("#carousel").append("<div id=\"previous\"><</div>"); for(var j=0;j<4;j++) $("#carousel").append("<img src=\"img/"+(j+1)+".jpg\"/>"); $("#carousel").append("<div id=\"next\">></div>"); var i=0; var index=i; function start () { i=i%5; index=i; change(); i++; } function change(){ for(var j=0;j<4;j++) $("#carousel>img").eq(j).attr("src","img/"+((i+j)%5+1)+".jpg"); $("#dots>div").css("background","rgba(255,255,255,0.6)"); $("#dots>div").eq(i).css("background","rgba(255,0,0,0.6)"); } var time=setInterval(start,3000); $("#carousel>img").hover(function() { clearInterval(time); },function () { time=setInterval(start,3000); }); $("#previous").click(function () { clearInterval(time); index++; i=index%5; change(); time=setInterval(start,3000); }); $("#next").click(function () { clearInterval(time); index--; if(index<0) index=4; i=index; change(); time=setInterval(start,3000); }); });