importjs1_column2.html

来自「Ajax tutorial archive」· HTML 代码 · 共 34 行

HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
   <head>
      <title>
         Introduction to Ajax Tutorial
      </title>
   </head>
   <body>
 			<p class="main">
                  Each of those script tags will use one connection and
                  considerably delay the loading of a page. Same thing goes for
                  CSS and also links tags. You should take a long hard think
                  about that when developing web pages.
               </p>
               <p class="main">
                  To circumvent this we can be clever and push JavaScript files
                  through the xmlhttprequest object and consequently have them
                  load asynchronously. We aren&#39;t going to get around using
                  at least one script tag, but if the originating script is
                  kept minimal then our load times are going to be reduced
                  significantly.
               </p>
               <p class="main">
                  In other words load only what is essential to get the web
                  page of to a start and then load the rest of the JavaScript
                  components dynamically or on demand. The same would apply to
                  CSS styles, use minimal styles to provide backward
                  compatibility and push the rest of the css through the
                  xnlhttprequest object.
               </p>
   </body>
</html>

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