Several methods of javascript progress bar_javascript skills

Let’s take a look at the final effect first:

The first step, basic
Build the basic code and see the effect demonstration:

<title>Two ways to make a progress bar</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <style> *{ margin:0; padding:0; } body{font-size:12px;}h1{font-size:15px;} .wrap{ font-size: 12px; margin:40px auto; width:400px; } /*杩</style>