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摘要： 如果你的网站浏览速度慢，那么就用Require.js吧。RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino andNode. Using a modular script loader like RequireJS will improve the speed and quality of your code.（http://requirejs.or 阅读全文

摘要： openlayers style stylemap 阅读全文

摘要： http://www.html-js.com/static/htmljs-weekly-3.html 阅读全文

摘要： Improving latency is a large topic that requires a rethink on many of the traditional ways of doing things. For example, it is better not to load non-essential text such as help text with the initial page; better is to load it via AJAX only if the user clicks on the help button. Similarly, those use 阅读全文