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    JavaScript Variables Lifecycles

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    JavaScript Variables Lifecycles - Online Course Download
    JavaScript Variables Lifecycles - Online Course Download
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    What you'll learn :

    Explain difference between global scope, function scope and block scope

    Understand how variables declared using “var” behave

    Explain difference between “let” and “const”

    Practice different variables declarations types
    Understand two JavaScript Engine Phases – “Compilation” and “Execution”
    Deeply understand variables lifecycle phases for variables declared using “var”, “let” and “const”
    Explain lifecycle phases for the undeclared variables
    Understand lifecycle of the function
    Practice and understand most important variables usage guidelines

    Requirements :

    Basic JavaScript knowledge
    Fundamentals of CSS
    Basic understanding of HTML

    Description :

    Do you want to understand real difference between different types of variables in JavaScript?

    Understand different types of scopes?

    Want easily explain what is hoisting?

    What about closures?

    In this course I will dive deep into the JavaScript and explain you what happens under the hood when you declare any variable or function. You will understand what happens on the “Compilation” and “Execution” phases in JavaScript Engine.

    I will make explain you what is variable declaration, initialization and assignment that are all-together called Variable Lifecycle Phases.

    We will also focus in this course on the Variables Usage Guidelines:

    Make Code clear and readable for others
    Always declare variables before first usage
    Always use “use strict” globally
    Don’t expose to the outer scopes local variables

    You will also get several practical exercises where you will need to apply gain knowledge about different variables, hoisting, scopes and closures.

    All exercises and code samples are available as Git repository.

    Hope to see you onboard!

    Who this course is for :

    JavaScript developers
    Front-end developers
    Full-stack developers

    Course Size Details :

    3 hours on-demand video
    1 article
    Full lifetime access
    Access on mobile and TV
    Certificate of completion

    View Demo

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