In this article, you will learn to create decisions in a Python program using different forms of if..else statement. — What is if…else statement in Python? Decision making is required when we want to execute a code only if a certain condition is satisfied. The if…elif…else statement is used in Python for decision making. Python if Statement Syntax if test expression: statement(s) Here, the program evaluates the test expression and will execute statement(s) only if the test expression is True.

The let keyword was introduced in ES6 (2015). Variables defined with let cannot be Redeclared. Variables defined with let must be Declared before use. Variables defined with let have Block Scope. Cannot be Redeclared Variables defined with let cannot be redeclared. You cannot accidentally redeclare a variable. With let you can not do…

4 Ways to Declare a JavaScript Variable: Using var Using let Using const Using nothing What are Variables? Variables are containers for storing data (storing data values). In this example, x, y, and z, are variables, declared with the var keyword:

In this tutorial, you will learn about prototypes in JavaScript with the help of examples. Before you learn prototypes, be sure to check these tutorials: JavaScript Object Through this topic, we will learn the concept of object in JavaScript using various samples.akbar-alizadeh5.medium.com JavaScript Constructor Function In this tutorial, you will learn about JavaScript constructor function with the help of examples.akbar-alizadeh5.medium.com

The logical AND (&&) operator (logical conjunction) for a set of boolean operands will be true if and only if all the operands are true. Otherwise, it will be false. More generally, the operator returns the value of the first falsy operand encountered when evaluating from left to right, or…

In this tutorial, you will learn about JavaScript constructor function with the help of examples. In JavaScript, a constructor function is used to create objects. Eg.

Short introduction, Single-line comments, Multi-line comments, Using comments to prevent execution. — JavaScript comments can be used to explain JavaScript code, and to make it more readable. JavaScript comments can also be used to prevent execution when testing alternative code. Single Line Comments Single line comments start with //. Any text between // and the end of the line will be ignored by JavaScript (will…

A variable is a space cache where you can store values. It can be considered a container in which you place your data. Contents of this container can be deleted or changed. Every variable has a name through which it can be distinguished from other variables and its value can…

JavaScript syntax is the set of rules, for how JavaScript programs are constructed: