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Abstract factory pattern
When single task can be done by multiple groups/family of objects and decision is taken at the runtime.
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If any event fired on a DOM element it will also fired on all of its parent element which is called the event bubbling. So, the element eve...
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N.B- we can iterate an array using foreach and map in javascript like below- var arrays = [1,2,3,4,5]; //foreach arrays.forEach(function(cu...
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slice()- returns a shallow copy of a portion of given array . ex: var a=['j','u','r','g','e','n...
Very Helpull post.
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