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ECMAScript Interview Questions and Answers
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Questions
ECMAScript
0
votes
Q: List Benefits Of Using Webpack?
asked
Mar 2, 2020
in
ECMAScript
by
rajeshsharma
#es6-webpack
0
votes
Q: What Is Webpack in ES6?
asked
Mar 2, 2020
in
ECMAScript
by
rajeshsharma
#webpack-es6
0
votes
Q: List Steps To Install Babel?
asked
Mar 2, 2020
in
ECMAScript
by
rajeshsharma
#babel-install
0
votes
Q: What Is Babel in ES6?
asked
Mar 2, 2020
in
ECMAScript
by
rajeshsharma
#es6-babel
0
votes
Q: List Some New Features Of Es6?
asked
Mar 2, 2020
in
ECMAScript
by
rajeshsharma
#es6-features
0
votes
Q: What Is Es6?
asked
Mar 2, 2020
in
ECMAScript
by
rajeshsharma
#es6
0
votes
Q: All major JavaScript Implementations are based on which standard?
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: The following code implements the ______ feature of ES6 function myFunction(x, y, z) { } var args = [0, 1, 2]; myFunction(...args);
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: Check the Below code and check correct or not const { x, y } = { x: 11, y: 8 }; is the Same as const { x: x, y: y } = { x: 11, y: 8 };
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: What will be the output of following code snippet? function foo(a = 10, b = 5) { console.log(a, b); } foo(6);
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: During destructuring, you can either declare variables or assign to them, or both. (1)False (2)True
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: Destructuring helps us to extract multiple values from an object via __________.
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: Which is not a lexical inside arrow functions?
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: Variables declared in a scope are accessible in ___________.
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: Template literals can be defined as _________.
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: Arrow Functions are less verbose than traditional functions (1)False (2)True
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: Template literals can be reused __________.
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: What will be the output of the following code snippet in ES6? const func= ( x, y ) => { return x + y; }; func(11,12);
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: Template literals support ____________.
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: Which keywords can be used to implement inheritance in ES6?
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: The bodies of class declarations and class expressions are executed in strict mode. (1)True (2)False
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: _________ feature helps us to simplify the inheritance concept.
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: Maps can be used to store __________.
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: Which is not true about static methods?
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: Which is not true about static methods?
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: Below is the extends class code class Player extends Student { constructor(roll, name) { super(roll, name); this.Player = true; } }; Here, super(roll,name); refers to the
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: What will be printed if the following code is executed? let x=150; if(x>100) { x=1; } console.log(x);
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: Which of the following statements is not true about level of scope?
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: Which of the following is not a state of Promise?
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
0
votes
Q: Variables declared with which of the following constructs do not have block scope?
asked
Jan 21, 2020
in
ECMAScript
by
GeorgeBell
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