CHAPTER 6 (Web design company) DECOUPLED NAVIGATION PATTERN Figure 6-13.
CHAPTER 6 DECOUPLED NAVIGATION PATTERN Figure 6-13. Chaining Presentation functionalities together Illustrating a Local Call Having defined the decoupled library, you can implement a simple example. Even though I have briefly mentioned the Presentation functionality, I haven t explained the details. Still, although the implementation may seem like we re jumping a bit ahead of ourselves, I am presenting it on purpose so that you understand the calling sequences. To illustrate the Decoupled Navigation pattern, I have illustrated the copying of the E B V N contents from a text box into an HTML div element. The copied contents will be converted into uppercase. From a GUI perspective, the HTML page looks like Figure 6-14. Figure 6-14. Example HTML page used to transfer the contents of the text box to the div element, where the contents are converted into uppercase This HTML page is elementary, and the HTML and JavaScript code behind it are as well. The text box contains the data that is injected into the HTML page and replaces the text Nothing Yet. Following is the code used to create Figure 6-14:
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