JavaScript let vs var vs const
JavaScript let, var, and const are used for variable declaration. They differ in their scope and how they can be updated. var is function-scoped, while… Read More »JavaScript let vs var vs const
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JavaScript let keyword | Basics
Using the let keyword you can declare a block-scoped variable in JavaScript. Generally, we use the var keyword to declare a normal variable in JavaScript,… Read More »JavaScript let keyword | Basics
JavaScript const variable | Code
You can define a const variable using the const keyword in JavaScript. In the same way, you declare variables with let and var. The value… Read More »JavaScript const variable | Code
JavaScript Object freeze | Method
The JavaScript object freeze method is used to make an object immutable, i.e. you cannot change its properties. It accepts an object and returns the… Read More »JavaScript Object freeze | Method
JavaScript const array | Code
Declaring a JavaScript Array as const only means that you can’t assign a new value to that variable (Array) once a value has been assigned:… Read More »JavaScript const array | Code
JavaScript class constants | Example code
You can declare static constants in the JavaScript class by declaring static getters that return constants declared outside the class. JavaScript class constants A simple… Read More »JavaScript class constants | Example code
JavaScript Arguments vs Parameters | Difference
The simple between JavaScript Arguments vs Parameters is arguments are the actual values and parameters are the aliases for the values that will be passed… Read More »JavaScript Arguments vs Parameters | Difference
How to call a nested function in JavaScript | Example code
Generally defining a function inside another function is to scope it to that function and you can’t call a nested function in JavaScript. You have… Read More »How to call a nested function in JavaScript | Example code
JavaScript timer countdown with seconds | Example code
To create a JavaScript timer countdown use setInterval method. It’s a JavaScript built-in function that takes two arguments – a function, callback, and an integer,… Read More »JavaScript timer countdown with seconds | Example code
Reset interval JavaScript | Example code
Clear the interval using clearInterval and setInterval once again Reset the interval in JavaScript. Reset interval JavaScript A simple example code with the function resetTimer… Read More »Reset interval JavaScript | Example code