| 标题 | 网站进度条（js） |
| 内容 | <table><tr><td> <div style=font-size:8pt;padding:2px;border:solid black 1px> <span id=progress1> </span> <span id=progress2> </span> <span id=progress3> </span> <span id=progress4> </span> <span id=progress5> </span> <span id=progress6> </span> <span id=progress7> </span> <span id=progress8> </span> <span id=progress9> </span> </div> </td></tr></table> <script language=javascript> var progressend = 9; // set to number of progress <span>'s. var progresscolor = 'blue'; // set to progress bar color var progressinterval = 1000; // set to time between updates (milli-seconds) var progressat = progressend; var progresstimer; function progress_clear() { for (var i = 1; i <= progressend; i++) document.getelementbyid('progress'+i).style.backgroundcolor = 'transparent'; progressat = 0; } function progress_update() { progressat++; if (progressat > progressend) progress_clear(); else document.getelementbyid('progress'+progressat).style.backgroundcolor = progresscolor; progresstimer = settimeout('progress_update()',progressinterval); } function progress_stop() { cleartimeout(progresstimer); progress_clear(); } progress_update(); // start progress bar </script> 实现的原理就是通过修改spanid的backgroundcolor 值和settimeout('progress_update()',progressinterval); |
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