摘要:
What not to do :In theory , you could use JavaScript to add important content to a web page.However, that would be a very bad idea, because there woul... 阅读全文
摘要:
Most of the DOM methods you've seen so far are useful for identifying elements.Both getElementById and getElementByTagName allow you to quickly and ea... 阅读全文
摘要:
Some items you should konw : Graceful degradation : ensuring that your web pages still work without JavaScript Unobtrusive JavaScript : separating s... 阅读全文