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The web development environment (JavaScript) offers which standard construct for data validation of the input entered by the user.

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The web development environment (JavaScript) offers which standard construct for data validation of the input entered by the user.

(a) Controlled loop constructs

(b) Server page access

(c) Client side Event

(d) Permit server-side

I have been asked this question at a job interview.

I'd like to ask this question from Lexical Structure in chapter Lexical Structures of JavaScript

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The correct answer is (a) Controlled loop constructs

Easiest explanation: JavaScript provides with for, while loops and if, else, switch cases for checking the information entered by the user. Additionally, all development environments provide syntax to create and use memory variables, constants, and functions.

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