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  1. www.javatpoint.com › javascript-global-variableJavaScript global variable - Javatpoint

    JavaScript global variable tutorial for beginners and professionals with example, declaring javascript global variable within function, internals of global variable in javascript, event, validation, object loop, array, document, tutorial.

  2. www.javatpoint.com › javascript-interview-questionsJavaScript Interview Questions - Javatpoint

    JavaScript interview questions and answers for provides a list of top 20 interview questions. The frequently asked JavaScript interview questions with answers for beginners and professionals are given below.

  3. builtin.com › software-engineering-perspectives › javascript-interview-questions50 Top JavaScript Interview Questions With Example Answers

    30 paź 2024 · The var keyword declares a global variable, which means that the variable can be accessed from anywhere in the code. The let keyword declares a local variable, which means that the variable can only be accessed within the block of code where it is declared.

  4. frontendjoy.substack.com › p › 17-javascript-variables-interview️ 17 JavaScript Variables Interview Questions

    24 wrz 2024 · Struggling to find a frontend job? Make sure you can answer these 17 JavaScript variable questions first 👇: 1. What is a variable in JavaScript? A variable is a container that holds data. You can think of it as a label for a specific spot in memory where information is stored.

  5. dev.to › macmacky › 70-javascript-interview-questions-5gfi70 JavaScript Interview Questions - DEV Community

    3 sty 2020 · The best use of IIFE is making initialization setup functionalities and to avoid naming collisions with other variables in the global scope or polluting the global namespace. Let's have an example.

  6. www.interviewbit.com › javascript-interview-questionsJavaScript Interview Questions and Answers (2024) - InterviewBit

    3 sty 2024 · Global Scope: Variables or functions declared in the global namespace have global scope, which means all the variables and functions having global scope can be accessed from anywhere inside the code.

  7. www.geeksforgeeks.org › global-and-local-variables-in-javascriptGlobal and Local variables in JavaScript - GeeksforGeeks

    20 sie 2024 · Global Variables. Global variables in JavaScript are those declared outside of any function or block scope. They are accessible from anywhere within the script, including inside functions and blocks. Variables declared without the var, let, or const keywords (prior to ES6) inside a function automatically become global variables.