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Constant 3/3 | Data Types and Variables
Introduction to JavaScript (staging)
course content

Contenido del Curso

Introduction to JavaScript (staging)

Introduction to JavaScript (staging)

1. Introduction
2. JavaScript syntax
3. Data Types and Variables

Constant 3/3

<code class="go3679463865">const</code> Does Not Allow Hoisting

As discussed in the previous chapter, let does not allow hoisting i.e. we cannot use a variable before the declaration. Just like let we can not use hoisting with the const.it is only supported with var.

123
MYPLANET = 'earth'; console.log(MYPLANET); const MYPLANET;
copy

Tarea

Rearrange the following code to display the value of SALARY on the console.

Tarea

Rearrange the following code to display the value of SALARY on the console.

Summary:

  • We can neither change the values of the const variables through reassignment nor we can redeclare them.
  • Value should be assigned to const variables at the time of declaration.

Cambia al escritorio para practicar en el mundo realContinúe desde donde se encuentra utilizando una de las siguientes opciones

¿Todo estuvo claro?

Sección 3. Capítulo 11
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Constant 3/3

<code class="go3679463865">const</code> Does Not Allow Hoisting

As discussed in the previous chapter, let does not allow hoisting i.e. we cannot use a variable before the declaration. Just like let we can not use hoisting with the const.it is only supported with var.

123
MYPLANET = 'earth'; console.log(MYPLANET); const MYPLANET;
copy

Tarea

Rearrange the following code to display the value of SALARY on the console.

Tarea

Rearrange the following code to display the value of SALARY on the console.

Summary:

  • We can neither change the values of the const variables through reassignment nor we can redeclare them.
  • Value should be assigned to const variables at the time of declaration.

Cambia al escritorio para practicar en el mundo realContinúe desde donde se encuentra utilizando una de las siguientes opciones

¿Todo estuvo claro?

Sección 3. Capítulo 11
toggle bottom row

Constant 3/3

<code class="go3679463865">const</code> Does Not Allow Hoisting

As discussed in the previous chapter, let does not allow hoisting i.e. we cannot use a variable before the declaration. Just like let we can not use hoisting with the const.it is only supported with var.

123
MYPLANET = 'earth'; console.log(MYPLANET); const MYPLANET;
copy

Tarea

Rearrange the following code to display the value of SALARY on the console.

Tarea

Rearrange the following code to display the value of SALARY on the console.

Summary:

  • We can neither change the values of the const variables through reassignment nor we can redeclare them.
  • Value should be assigned to const variables at the time of declaration.

Cambia al escritorio para practicar en el mundo realContinúe desde donde se encuentra utilizando una de las siguientes opciones

¿Todo estuvo claro?

<code class="go3679463865">const</code> Does Not Allow Hoisting

As discussed in the previous chapter, let does not allow hoisting i.e. we cannot use a variable before the declaration. Just like let we can not use hoisting with the const.it is only supported with var.

123
MYPLANET = 'earth'; console.log(MYPLANET); const MYPLANET;
copy

Tarea

Rearrange the following code to display the value of SALARY on the console.

Summary:

  • We can neither change the values of the const variables through reassignment nor we can redeclare them.
  • Value should be assigned to const variables at the time of declaration.

Cambia al escritorio para practicar en el mundo realContinúe desde donde se encuentra utilizando una de las siguientes opciones
Sección 3. Capítulo 11
Cambia al escritorio para practicar en el mundo realContinúe desde donde se encuentra utilizando una de las siguientes opciones
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