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Null vs Undefined - which one should you use in JS? 

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What is the difference between null and undefined in Javascript/Typescript and when might you use one over the other. Knowing how and why these two types exist is extremely important if you want to master frontend web programming.
#learncoding #typescript #javascript #codingshortvideo
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21 сен 2024

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@gravellife5643
@gravellife5643 10 месяцев назад
When you declare var without value, javascript create memory stack and add undefined value, becouse var must to have value in memory like this: var car; Javascript scaning your file, create memory stack and add undefined value to the car.
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