Created
November 16, 2013 04:46
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jQuery常用 通过url加载图片 | 图片统一尺寸 | 窗口时滚动加载 | 窗口平滑滚动 | 密码强度
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| var nextimage = "http://www.gbtags.com/gb/networks/uploadimgthumb/55d67b14-fb25-45e7-acc8-211a41047ef0.jpg"; | |
| $(document).ready(function(){ | |
| window.setTimeout(function(){ | |
| var img = $("<img>").attr("src", nextimage).load(function(){ | |
| $('div').append(img); | |
| }); | |
| }, 100); | |
| }); |
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| $(window).on("load", function() { | |
| // 图片修改大小 | |
| $('#imglist img').each(function() { | |
| var maxWidth = 120; | |
| var maxHeight = 120; | |
| var ratio = 0; | |
| var width = $(this).width(); | |
| var height = $(this).height(); | |
| if(width > maxWidth){ | |
| ratio = maxWidth / width; | |
| $(this).css("width", maxWidth); | |
| $(this).css("height", height * ratio); | |
| height = height * ratio; | |
| } | |
| if(height > maxHeight){ | |
| ratio = maxHeight / height; | |
| $(this).css("height", maxHeight); | |
| $(this).css("width", width * ratio); | |
| width = width * ratio; | |
| } | |
| }); | |
| }); |
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| var loading = false; | |
| $(window).scroll(function(){ | |
| if((($(window).scrollTop()+$(window).height())+250)>=$(document).height()){ | |
| if(loading == false){ | |
| loading = true; | |
| $('#loadingbar').css("display","block"); | |
| $.get("load.php?start="+$('#loaded_max').val(), function(loaded){ | |
| $('body').append(loaded); | |
| $('#loaded_max').val(parseInt($('#loaded_max').val())+50); | |
| $('#loadingbar').css("display","none"); | |
| loading = false; | |
| }); | |
| } | |
| } | |
| }); | |
| $(document).ready(function() { | |
| $('#loaded_max').val(50); | |
| }); |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta name="description" content="Free Web tutorials"> | |
| <meta name="keywords" content="HTML,CSS,XML,JavaScript"> | |
| <meta name="author" content="Ståle Refsnes"> | |
| <meta charset="UTF-8"> | |
| <style type="text/css"> | |
| #container{ | |
| height: 2000px; | |
| line-height: 1000px; | |
| text-align: center; | |
| font-family: Arial; | |
| border: 1px solid #EEEEEE; | |
| } | |
| .topLink{ | |
| float:right; | |
| padding:10px; | |
| color: #CCC; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h1 id="anchor">页面标题</h1> | |
| <div id="container">页面内容</div> | |
| <p><a href="#anchor" class="topLink">回到顶端</a></p> | |
| </body> | |
| </html> | |
| <script type="text/javascript" src="http://code.jquery.com/jquery-1.10.2.min.js"></script> | |
| <script> | |
| $(document).ready(function() { | |
| $("a.topLink").click(function(e) { | |
| $("html, body").animate({ | |
| scrollTop: $($(this).attr("href")).offset().top + "px" | |
| }, { | |
| duration: 500, | |
| easing: "swing" | |
| }); | |
| e.preventDefault(); | |
| }); | |
| }); | |
| </script> |
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| $('#pass').keyup(function(e) { | |
| var strongRegex = new RegExp("^(?=.{8,})(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*\W).*$", "g"); | |
| var mediumRegex = new RegExp("^(?=.{7,})(((?=.*[A-Z])(?=.*[a-z]))|((?=.*[A-Z])(?=.*[0-9]))|((?=.*[a-z])(?=.*[0-9]))).*$", "g"); | |
| var enoughRegex = new RegExp("(?=.{6,}).*", "g"); | |
| if (false == enoughRegex.test($(this).val())) { | |
| $('#passstrength').html('More Characters'); | |
| } else if (strongRegex.test($(this).val())) { | |
| $('#passstrength').className = 'ok'; | |
| $('#passstrength').html('Strong!'); | |
| } else if (mediumRegex.test($(this).val())) { | |
| $('#passstrength').className = 'alert'; | |
| $('#passstrength').html('Medium!'); | |
| } else { | |
| $('#passstrength').className = 'error'; | |
| $('#passstrength').html('Weak!'); | |
| } | |
| return true; | |
| }); |
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