By Tom Negrino
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JavaScript and Ajax for the Web, Sixth Edition
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2. The result of moving your JavaScript to an external file looks eerily unchanged from the previous example. But it's still a better way of doing things. 2007 10:24:06] Using External Scripts Tips ● ● ● ● Browsers that support external JavaScript files include: Microsoft Internet Explorer 4 and later, Netscape 3 and later, and just about every other browser that's shipped since then, including modern browsers like Firefox and Safari. Using external JavaScript files is sometimes used to try to hide JavaScript from users.
9. BBEdit on Mac OS X. [View full size image] You can also use some of the WYSIWYG (What You See Is What You Get) HTML editors available, such as Macromedia Dreamweaver, Adobe GoLive, or Microsoft FrontPage (on the PC; there's no Mac version of FrontPage). Just switch to their HTML Source modes, and script away. barebones. com). It's not as full-featured as BBEdit, but it has a big point in its favor: it's free. 2007 10:24:04] What Tools to Use? 2007 10:24:04] Chapter 2. Start Me Up! Chapter 2.
You can alter a reply, depending on how the user reacts to a prompt. ")) { alert("You said yes"); } else { alert("You said no"); } More about conditionals Conditionals break down into three parts: the if section where we do our test; the then section, where we put the part of the script we want to do if the result is true; and an optional else section, which contains the part of the script we want to have happen if the result of the test is not true. The contents of what we're testing in the if section are in parentheses, and the contents of the other two sections are each contained in braces.