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limits, and do more testing than you would otherwise need to do. JavaScript is also, unfortunately, a pain to test and debug, as most browsers don't give you any sort of reason why your code didn't run – if it's wrong, they just ignore it. VBScript: JavaScript Made Easy. VBScript is a web language for inserting into HTML documents. It's a lot like Java, but is easier to write thanks to its Visual Basic-like code. Is It Really Easier? Well, it's largely a matter of personal preference, and what you're used to. If you're an experienced programmer, you'll probably think that VBScript is a joke, and prefer JavaScript. If you're not, though, VBScript's English-like code can make things clearer and quicker when you're writing scripts. For example, compare this code for an if/then/else condition. JavaScript: if (a == 1) { alert("a"); } else if (b == 1) { alert("b"); } else { alert("z"); } VBScript: if a=1 then msgbox "a" elseif b=1 then msgbox "b" else msgbox "c" end if The Web Design Guide for Newbies |80
See what I mean? This is a pretty representative sample of the differences (a 'for' block would provide a more extreme example). To put it simply, JavaScript looks 'code-like', with all kinds of brackets and semicolons all over the place – and it's all-too-easy to forget one. VBScript, on the other hand, is designed to be more human, and closer to natural language. While its approach is less flexible for complicated operations, it's much quicker for simpler ones. Useful VBScript Functions. Here are a few of the functions VBScript has that you'll be wishing you could use in JavaScript. DateDiff. Works out the difference between two dates – this is a nightmare in most programming languages. FormatCurrency. Takes a number and formats it as whatever currency you want. InStr. Looks for some text in a string, and stops when it finds it. Useful for including text up to a special 'stop' phrase. Split. Divides some text up into an array depending on where a certain character is (similar to PHP's explode command, and just as useful). Replace. Lets you look through some text and replace every instance of a certain character or phrase. Apart from this, VBScript offers quite a few of JavaScript's functions. Even though that's useful, it can sometimes make you feel like you're just writing JavaScript in an odd way – the same way that doing anything complex with desktop Visual Basic gradually seems to turn into writing a kind of C with a slightly different layout. If you keep things simple, though, VBScript is good at what it does. So What's the Catch? Well, the catch is a big one. Pages written using VBScript won't work in any web browser other than Internet Explorer – it's Microsoft's own language, The Web Design Guide for Newbies |81
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ABOUT WEB DESIGNER PAD Web Designer
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Chapter 1: Why You Need a Website?
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Chapter 2: How the Web Works. Many
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Resource Location) while hosting is
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cost. Prepared to be surprised by s
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POP3 accounts. POP stands for 'Post
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these), as well as the email addres
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website to do. What kind of thing d
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professionals, have you? Well, the
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If you don't want to deal with desi
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If you're willing to take the less
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While Mozilla is a web browser itse
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GIF stands for Graphics Interchange
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As the web grew, the lack of standa
Page 30 and 31: Now, though, you can remove the fon
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Page 38 and 39: hire a professional web designer, o
Page 40 and 41: graphics may be stored in the cache
Page 42 and 43: Note that you will need to save fil
Page 44 and 45: heading is, so h1 for a page's main
Page 46 and 47: 500 - Internal server error. For mo
Page 48 and 49: easons. To begin with, there are tw
Page 50 and 51: that come with Windows, they don't
Page 52 and 53: What's So Bad About Tables? If you'
Page 54 and 55: text-align. Lets you align text on
Page 56 and 57: each down further than the main con
Page 58 and 59: start growing, though, you might fi
Page 60 and 61: the 'glue' that makes a database-dr
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Page 64 and 65: Yet, despite how common databases a
Page 66 and 67: Which Database is Right for You? If
Page 68 and 69: Once you've created your website, y
Page 70 and 71: that is how easy it makes it to cre
Page 72 and 73: mysql_fetch_assoc. Turns the result
Page 74 and 75: Separating the Application Logic. T
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Page 78 and 79: double-click. onmouseover. Runs whe
Page 82 and 83: and no-one else supports it. For be
Page 84 and 85: } } ajax = new ActiveXObject("Micro
Page 86 and 87: is being used - useful when you see
Page 88 and 89: on. Resizing works especially well,
Page 90 and 91: provides almost every feature you c
Page 92 and 93: on the Linux GTK (Gimp Toolkit) sys
Page 94 and 95: Ikonboard (http://www.ikonboard.com
Page 96 and 97: the other visitors - your role is t
Page 98 and 99: asked for it. You should link to it
Page 100 and 101: own. It's madness to pay thousands
Page 102 and 103: considering first, but you should b
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Page 106 and 107: the checkbox a name so you can refe
Page 108 and 109: same thing goes for lists of states
Page 110 and 111: One of the biggest issues with prin
Page 112 and 113: If you're about to write out a big
Page 114 and 115: don't hide anything from the people
Page 116 and 117: It's Not a Newspaper. What's the di
Page 118 and 119: color is a big subject. As soon as
Page 120 and 121: important in one way: the meta desc
Page 122 and 123: It's not difficult to switch betwee
Page 124 and 125: fonts.com and typography.com for a
Page 126 and 127: sets are red-green; blue-orange, an
Page 128 and 129: while sans-serif fonts have a tende
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Look at it this way: not only are y
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your content, or, worse, even hide
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sure that your design will work jus
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Smart Tags. Do you think it ends th
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This principle is even more importa
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Each option links through to anothe
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At this point, you'd have a big pro
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one key question you should ask the
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Now, when users hover over the prin
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come to associate its use with that
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tends to provoke is "hey, I was loo
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The Reader Often Crashes. As a fina
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The next problem is the way Java te
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Here's something that many people d
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Trackbacks. Using blog software tha
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Chapter 38: Switching Web Hosts. Fi
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