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Let's understand the working of " if" conditional statement with the help of following code snippet: ĭocument.

code that need to be executed when the specified condition is true It works on the phenomenon that if the provided condition evaluates to true only, then the statements mentioned in the block will get executed otherwise, it will skip that block of code. If the statement is one of the most commonly used conditional statements in any programming language, and so is the case in JavaScript also. How to write an If Conditional Statement in JavaScript?

Switch Case Statement: It is an alternative and better version of multiple If Else If blocks.

Else if statement: Specifies another condition if the first condition is not true.

Else statement: Execute a block of code if a specified condition is false.

Execute a block of code if a specified condition is true.

If the statement: Specifies a condition.

In JavaScript, the following are the conditional statements or If Else statements are present: Based on the different decisions, you want to perform various actions. As learned above, every program encounters a point where a decision has to made. JavaScript supports multiple conditional statements, and these are often called Decision Statements and If Else Statements. So depending on the output of the condition, the flow of program execution will be decided. Otherwise, it will execute " Statement 2".

If the condition is false - the program performs another action as shown below:Īs is evident from the above figure, if the specified condition evaluates to " true", the program will execute " Statement 1".If the condition is true - the program performs one action and.Generally, the conditional statement controls the program flow as below: Such statements are called conditional statements. And it then executes certain parts of code depending on whether the condition is true or false. Javascript has specific statements enabled in it that allow us to check a condition, like all other programming languages. How to write a Switch Case Statement in JavaScript?.Procedure to write an If else if statement in JavaScript?.Procedure to write an If else statement in JavaScript?.How to write an If statement in JavaScript?.

In such circumstances, the developer uses conditional statements. You must be wondering - what is a conditional statement and How to write various Javascript conditional statements? Let's try to understand it in this article with the help of the following topics:. When a developer is writing a program, there can be multiple situations when it is expected out of the program execution to follow a specific path based on certain conditions.