Question:Which is the correct config option for toolbar icon buttons in ExtJS? 

A {
  xtype:'tbbutton',
  cls: 'x-btn-text-icon',
  icon:'images/bomb.png',
  text:'The Bomb'
} 
B {
  xtype:'button',
  cls: 'x-btn-text-icon',
  icon:'images/bomb.png',
  text:'The Bomb'
} 
C {
  xtype:'tbbutton',
  cls: 'x-btn-text',
  icon:'images/bomb.png',
  text:'The Bomb'
} 
D {
  xtype:'tbbutton',
  layout: 'x-btn-text-icon',
  icon:'images/bomb.png',
  text:'The Bomb'
} 

+ Answer
A 

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Mohammad Towhidul Islam

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