Download e-book for iPad: Ajax in Oracle JDeveloper by Deepak Vohra

By Deepak Vohra

ISBN-10: 3540775951

ISBN-13: 9783540775959

ISBN-10: 354077596X

ISBN-13: 9783540775966

Asynchronous JavaScript and XML (Ajax) is an internet method used to move information among a browser and server asynchronously with no posting the net web page to the server. "Asynchronously" signifies that the processing of the internet web page keeps whereas the Ajax request is shipped to the server and a reaction is acquired from the server. the internet web page, or section(s) of the net web page, is refreshed with the Ajax reaction with no reposting the internet web page. Ajax has the next benefits over non-Ajax net applications.

- lowered reaction time and decreased server load, because the whole website isn't really reposted.

- decreased bandwidth of internet purposes as simply info is transferred and the HTML structure is utilized within the browser.

- Separation of information, layout and magnificence.

The publication covers internet seek and RSS Feed with Ajax in addition to shape validation with Ajax frameworks for Java, JSP, JSF, and personal home page. It discusses utilizing Ajax in Oracle JDeveloper and is IDE dependent. JDeveloper has the subsequent benefits over Eclipse IDE.

- JDeveloper 11g offers an built-in JavaScript Editor for Ajax/Web improvement.

- It additionally presents a Hypertext Preprocessor extension.

- JDeveloper has a integrated aid for JSF and for JDBC.

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Additional resources for Ajax in Oracle JDeveloper

Sample text

Jsp as shown in Fig. 1. 4 Configuring Prototype in AJAX Web Application 51 Fig. jsp. jsp. js” type=”text/javascript”> In the Ajax application version without the prototype library, the catalogId field is retrieved with get getElementById() function and the value is retrieved with value attribute. value; Retrieve the catalogId value with prototype function $F(). var catalogId=$F('catalogId'); 52 3 Less JavaScript with Prototype In the non-prototype version, the DOM elements are retrieved with getElementById() function.

ObjectRange range=new ObjectRange(10, 25, false); The corresponding $R() function representation is as follows. 6 $w() Function The $w()function creates an array from a string using the whitepaces in the string as delimiters. For example, the following Array, catalogIds, may be created from a string that consists of Catalog Ids delimited by whitespace using the $w() function. var catalogIds=$w(“catalog1 catalog2 catalog3”); The catalogIds array may be represented as follows. these()function tries a sequence of functions until one of the function runs.

Obtain the value of the element using getElementsByTagName(String) method. nodeValue; If the element value is true, set the HTML of a div element in the Catalog Id field row to “Catalog Id is Valid”. Enable the submit button in the input form. disabled = false; } If the element value is false, set the HTML of the div element in Catalog ID field row to “Catalog Id is not Valid”. Disable the submit button, and set the values of the other input fields. js JavaScript file is listed below.

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Ajax in Oracle JDeveloper by Deepak Vohra

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