JS05 let vs var in JavaScript 2022 11 26 15 05 11
Differences between let and var in JavaScript
Sự khác biệt giữa let và var trong ngôn ngữ JavaScript
Различия между let и var в JavaScript
Notes:
let, const: are used to declare block variables, if the variable are declared inside block {} then they can use only there. the changes of variable inside {} wil not influnce the variables outside ---local variables
var: no need {}, outside the {} is available too, the changes of var inside the {} will change the var outside the {}
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