Ext JS

XTemplate in Ext JS 4

Ext JS 4 makes you construct the UI by writing JavaScript code. You have to write few lines of JavaScript code to construct even a simple textbox or a button. So developers always try to look for a way to […]

arguments in JavaScript

Ext JS 4 involves calling this.callParent(arguments) from the initComponent method of a view component. For quite some time I was thinking that arguments is a pre-defined variable in Ext JS 4 before I started reading  the book  “JavaScript: The Good […]

extraParams in Ext JS 4

A Store instance in Ext JS4 uses a Proxy object to connect to the server. If you want to pass parameters to the proxy dynamically you can make use of the extraParams property. Let’s discuss a simple example to see […]