<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>js+css实现置顶的效果</title> <style type="text/css"> *{ margin: 0; padding: 0; } #top…
写这个点击回到顶部.我采用的是最简单的jQuery,的点击事件  和animate特效. html部分 <div class="pulltop"> <img src="img/top.png"/> </div> jQuery $(".pulltop").click(function () { $("html,body").animate({scrollTop:'0px'},500); //回…
html代码: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="…
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-…
<!DOCTYPE html><html> <head> <meta charset="UTF-8"> <title>点击回到页面顶部</title> <style type="text/css"> *{margin: 0;padding: 0;} .scroll_top{width:60px;height: 60px;border: 1px solid red;position:…
---恢复内容开始--- <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>点击回到页面顶部</title> <style type="text/css"> *{margin: 0;padding: 0;} .scroll_top{width:60px;height: 60px;border: 1px solid…
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>回到顶部</title> <meta name="viewport" content="width=1200, maximum-scale=1.0, user-scalable=1"> <style&…
上代码: <!DOCTYPE html> <html> <head> <meta content="测试demo" name="Keywords"> <meta content="测试demo" name="Description"> <meta http-equiv="Content-Type" content="text/htm…
第一种:CSS实现 <style><!-- .fileInputContainer{        height:256px;        background:url(upfile.png);        position:relative;        width: 256px;    }    .fileInput{        height:256px;        overflow: hidden;        font-size: 300px;        po…
jq:var top_icon = $('.top_icon')[0]; id写法$('#id'),类写法$('.class'),标签写法$('div') 如:join=document.getElementById("box1").offsetHeight; 修改后:join=$("#box1").outerHeight(); jquery的outerHeight()方法就是原生JS的offsetHeight://获取元素高度 js:var top_icon =…