ashish2199

Answering the Front-end developer JavaScript interview questions to the best of my ability.

• Explain event delegation

Sometimes you need to delegate events to things.

• Explain how this works in JavaScript

This references the object or "thing" defined elsewhere. It's like "hey, thing I defined elsewhere, I'm talkin' to you."

• Explain how prototypal inheritance works.

ashish2199

1. Write poly-fill of Object.create and explain why it worked:

if(typeof Object.create != "function") {
    Object.create = function(param) {
        var Fun = function(){};
        Fun.prototype = param;
        return new Fun();
    }
}

ashish2199

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

ashish2199

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tomcat

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