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Ext.js interview questions

Ext JS is extended on which library?

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May 14, 2019

It is a Sencha product which is extended from YUI (Yahoo user interface).

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How to decode response in Ext.js?

May 14, 2019

var json = Ext . decode ( response . responseText ); Ext . Msg . alert (‘ Error ’, json . error );

How to start and stop editing a record?

May 14, 2019

Ext . define ( 'Ext.form.Basic' , { ... updateRecord : function ( record ) { var fields = record . fields , values = this . getFieldValues (), name , obj = {}; fields . each ( function ( f ) { name = f . name ; if ( name in values ) { obj [ name ] = values [ name ]; } }); ...

How can you create a singleton class in ExtJS?

May 14, 2019

To create a singleton class,just set to true, the class will be instantiated as singleton. For example: Ext.define('Logger', { singleton: true, log: function(msg) { console.log(msg); } }); Logger.log('Hello');

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Ext.js interview questions

Ext JS is extended on which library?

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How to decode response in Ext.js?

How to start and stop editing a record?

How can you create a singleton class in ExtJS?