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ADVANCE JS - DAY 21 - AUG 17

 

ASYNC &  NON-BLOCK LANGUAGE

 

        Using below website we can check how javascript is working and understand why its async and non block

 

http://latentflip.com/loupe/

 

PROGRAM TO CHECK

 

console.log('1.start' )

 setTimeout(function(){console.log('2.After 1 sec')},1000)

 setTimeout(function(){console.log('3.After 0 sec')},0)

 console.log('4.Stop')

 

To change this Non-Block mode to Block mode we can use Call Back

 

Call Back Hell -- Multi nested callback 

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