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jquery implements a simple waterfall stream code

Source: Internet
Author: User
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Test environment: IE8 ff13.0.1 Chrome22

You can fill the contents of the page into four Div, the waterfall flow of the page can be multiple pages (such as 5 pages) in two pages, so as to reduce the complexity of the background algorithm

[HTML]View Plaincopy
  2. <! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en"
  4. "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  6. <html>
  8. <head>
  10. <Meta http-equiv= "content-type" content= "text/html; Charset=utf-8 " />
  12. <title>waterfall Flow</title>
  14. <script type="Text/javascript" src=". /jquery-1.8.0.min.js " /></script>
  16. <style type="Text/css" >
  18. body{margin:0px;}
  20. #main {width:840px;margin:0 Auto;}
  22. . Flow{float:left;width:200px;margin:5px;background: #ABC;}
  24. </style>
  26. <script type="Text/javascript" >
  28. $ (document). Ready (function () {
  30. Initialize content
  32. for (var i = 0; I < 3; i++) {
  34. $ (". Flow"). each (function () {
  36. $ (this). Append ("<div style=\" width:90%;height: "+getrandom (200,300) +" px;margin:5px Auto;background  : #159; \ "></div>");
  38. });
  40. }
  44. $ (window). Scroll (function () {
  46. The height of being rolled away
  48. var scrolltop = document.body.scrolltop| |  Document.documentElement.scrollTop;
  50. Page height
  52. var pageheight = $ (document). Height ();
  54. Viewable area height
  56. var viewheight = $ (window). Height ();
  58. alert (viewheight);
  60. When scrolling to the bottom
  62. if ((scrolltop+viewheight)> (pageHeight-20)) {
  64. if (scrolltop<1000) {//Prevent unlimited growth
  66. for (var i = 0; I < 2; i++) {
  68. $ (". Flow"). each (function () {
  70. $ (this). Append ("<div style=\" width:90%;height: "+getrandom (200,300) +" px;margin:5px Auto;background  : #159; \ "></div>");
  72. });
  74. }
  76. }
  78. }
  80. });
  82. });
  84. /*
  86. * Gets the specified range of random numbers
  88. * @param min, minimum value
  90. * @param max, max value
  92. */
  96. function Getrandom (Min,max) {
  98. x upper limit, y lower limit
  100. var x = max;
  102. var y = min;
  104. if (x<y) {
  106. x=min;
  108. y=Max;
  110. }
  112. var rand = parseint (math.random () * (x-y + 1) + y);
  114. return rand;
  116. }
  120. </Script>
  122. </head>
  124. <body>
  126. <div id="main">
  128. <div class="Flow" ></div>
  130. <div class="Flow" ></div>
  132. <div class="Flow" ></div>
  134. <div class="Flow" ></div>
  136. </div>
  138. </body>
  140. </html>


jquery implements a simple waterfall stream code

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Related Keywords:
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