Null
What is Null
The data type null represents that there is no value. It is a primitive value in javascript.
To have a better understanding of null, we must know these two features about null:
nullprovides the non-existent value or empty value.nullhas to be assigned to a variable as it is not assigned by default (unlike theundefined).
12let number = null; console.log(number);
Swipe to start coding
Declare a variable selectColor and assign the value of null to the variable and display the value of the variable.
Solución
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Can you explain the difference between null and undefined in JavaScript?
Can you give more examples of when to use null?
What happens if I perform operations on a variable set to null?
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What is Null
The data type null represents that there is no value. It is a primitive value in javascript.
To have a better understanding of null, we must know these two features about null:
nullprovides the non-existent value or empty value.nullhas to be assigned to a variable as it is not assigned by default (unlike theundefined).
12let number = null; console.log(number);
Swipe to start coding
Declare a variable selectColor and assign the value of null to the variable and display the value of the variable.
Solución
Cambia al escritorio para practicar en el mundo realContinúe desde donde se encuentra utilizando una de las siguientes opciones¡Gracias por tus comentarios!
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