(refer to Figure 4-1) The Snippet dialog box opens in Java

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(refer to Figure 4-1) The Snippet dialog box opens

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3 Type a name for the snippet in the Name text box

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Suppose, for example, you want to create a snippet with JavaScript that displays the document s last modified date starting with the words, This document was last modified on: In the Name text box, type something like This document was last modified on: (Date) for the name

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4 Write a text description for the snippet in the Description text box

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You may also want to include instructions about how to use the snippet For example, you can note to insert the snippet in the <head> , not the

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Creating Code Snippets

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<body> tag and that the snippet is only supported by particular browser versions

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5 Choose Insert Block for the snippet type

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JavaScript is code that modifies the behavior of your content, so you always choose Insert Block as the type rather than Wrap

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6 Insert the code in the Insert Code text box

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The following JavaScript example inserts the current date into your Web page If using CSS for styling your page, disregard the <bold> and <font> tags You can also customize the script to display something else besides This document was last modified on: before the date by modifying the line of code that says documentwrite( This document was last modified on: ); Type this data:

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<p><font face= arial, helvetica size= 1 ><b> <SCRIPT LANGUAGE= JavaScript > function initArray() { thislength = initArrayargumentslength for (var i = 0; i < thislength; i++) this[i+1] = initArrayarguments[i] } var DOWArray = new initArray( Sunday , Monday , Tuesday , Wednesday , Thursday , Friday , Saturday ); var MOYArray = new initArray( January , February , March , April , May , June , July , August , September , October , November , December ); var LastModDate = new Date(documentlastModified); documentwrite( This document was last modified on: ); documentwrite(DOWArray[(LastModDategetDay()+1)], , ); documentwrite(MOYArray[(LastModDategetMonth()+1)], ); documentwrite(LastModDategetDate(), , ,2006); documentwrite( ); </SCRIPT></b></font></p>

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Creating Code Snippets and History Panel Commands

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The final output looks something like this:

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This document was last modified on: Thursday, March 16, 2006

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7 Pick Code as the Preview Type

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The Code preview type shows you the code in the preview pane of the Snippet panel

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8 Click OK when you re done

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To test your new snippet, click anywhere on any open page in Design view to create an insertion point with your cursor and double-click the snippet in the Snippets panel When snippets containing JavaScript are inserted on a page, Dreamweaver s Design view may either indicate you have JavaScript code on your page by displaying an invisible element icon, or you may see nothing at all in Design view, though you see the newly inserted code in Code view in both cases

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Browsers, by contrast, display the JavaScript as it s meant to display and function Therefore, for testing purposes, be sure to press F12 to launch your primary browser or Shift+F12 to launch your secondary browser to see how the JavaScript snippet looks To turn on the yellow script invisible element, choose Edit Preferences (Windows) or Dreamweaver Preferences (Mac) to launch Dreamweaver s Preferences dialog box Select Invisible Elements from the Category list on the left and then select the Scripts option Upon clicking OK, Dreamweaver indicates with the invisible element icon in Design view that you have JavaScript on your page Figure 4-4 shows how the icon looks as well as how the snippet actually appears in a browser

Invisible Element Figure 4-4: Snippets containing JavaScript appear as invisible element icons in Design view, but as fully realized script when viewed in a browser

Snippets preview in browser

Creating a snippet with the wrap option

The wrap option allows you to write opening and closing tags that surround whatever code or content is selected on your page Wrap snippets are especially helpful for applying links, scripts, special formatting, and navigation For instance, you may want to create a snippet that quickly adds a link around selected text, such as <a href= # >link</a> To create a snippet with the wrap option, follow these steps:

1 Open the Snippets panel by choosing Window Snippets

The Snippets panel appears

2 Click the New Snippets button (refer to Figure 4-1)

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The Snippets dialog box appears

3 Type a name for the snippet in the Name text box

Say, for example, that you want to generate a snippet that superscripts text, such as on 42nd Street In the Name text box, type Superscript

(refer to Figure 4-1) The Snippet dialog box opens in Java Draw Denso QR Bar Code in Java (refer to Figure 4-1) The Snippet dialog box opens

(refer to Figure 4-1) The Snippet dialog box opens in Java

Draw Denso QR Bar Code in Java (refer to Figure 4-1) The Snippet dialog box opens