![]() ![]() Explain about Webpack and the benefits of using Webpack? Let us now have a look at the advanced ES6 Interview Questions and Answers. Part 2 – ES6 Interview Questions (Advanced) It comes under the umbrella of lexical scope lexical scope has access to variables that are in its parent scope. Lexical, this is declared or defined where the function is written. Arrow (=>) is used as part of the syntax. Arrow functions have lexical ‘this’ feature as well. Explain briefly about Arrow functions?Īrrow functions support expressions bodies and statement bodies which returns the expression’s value and makes the syntax more expressive. ‘let’ keyword allows variable value to be re-assigned it can be in for loop or arrays. ‘Const’ keyword cannot change the value of a variable. ![]() If we have declared variable and function in any function block, their scope will be limited to that function only they cannot be accessible outside the block/function. It means these can be used where the variables and functions are defined or declared. The variables and functions are defined as indefinite blocks. ![]() This is the common ES6 Interview Question that is asked in an interview. ![]() What are Block Scoped variables and functions? const X= 5.0, here the value of X remains 5 every time, and it cannot be changed. The value that has been assigned at the time of the declaration remains unchanged. It means that the value of a constant variable cannot be changed. What are Constants in ES6?Ĭonstants are also referred to as Immutable variables. Let us move to the next ES6 Interview Questions. Babel is a popular javascript transpiler used for this purpose, allowing ES-6 code to convert into an ES-5 script to support all the browsers. To convert into a pre-ES6 script, we required transpilers like Babel. How do you use ES6, or the best way to use ES6 in a project?Īs mentioned, all the browsers do not support ES6, so to use the ES6 script, we need to convert it into the ES5 script, which is supported by all the browsers. Refer to the introduction part for the definition of ES6. Define ES6 and mention the new features of ES6? This first part covers basic ES6 Interview Questions and Answers. These questions are divided into two parts are as follows: Part 1 – ES6 Interview Questions (Basic) Web development, programming languages, Software testing & others ![]()
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