HTML DOM Object
From a JavaScript standpoint, each HTML tag on a Web page is a DOM object, and the properties of the label are also properties of the DOM object. such as:
From the JavaScript point of view, this tag is an Image object, which is
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Pre-loaded and JavaScript Image () objectsMany high-res images can really make your Web site more uncluttered. But they also make the site more slow to access-the image is a file, the file uses bandwidth, and the bandwidth is directly related to the
Pre-loaded image () objects with JavaScript
A lot of high-resolution images can really dress up a Web site. However, they may also reduce the website's (response) Speed-when images are all files, the file will occupy the bandwidth, and the
javascript| objects Many high-res images can really make your Web site neater. But they also slow down access to the site-the image is a file, the file uses bandwidth, and the bandwidth is directly related to the wait time. It's time to learn how to
JavaScript BasicsJavaScript is a scripting language that belongs to the web!JavaScript is used by millions of of pages to improve design, verify forms, detect browsers, create cookies, and more.JavaScript is the most popular scripting language on
Preface
Let's talk about Ajax and jquery's support for Ajax.
Ajax (Asynchronous JavaScript and XML) implements partial HTML refresh asynchronously. Creating interactive web applications without sacrificing the compatibility of browsers.Label Body
Pre-loading and JavaScript Image () objects
Many high-res images can really make your Web site cleaner. But they also slow down access to the site-the image is a file, the file uses bandwidth, and the bandwidth is directly related to the wait time.
Say a few words of complaint first.Although IE8 than the IE6, 7 have a lot of progress, but in the implementation of efficiency, compatibility still have many problems. A platform that is popular among developers is a good platform.Unfortunately,
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