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JavaScript If-else

The JavaScript if-else statement is used to execute the code whether condition is true or false. There are three forms of if statement in JavaScript.

  1. If Statement
  2. If else statement
  3. if else if statement

JavaScript If statement

It evaluates the content only if expression is true. The signature of JavaScript if statement is given below.

Flowchart of JavaScript If statement

if statement in javaScript

Let’s see the simple example of if statement in javascript.

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Output of the above example


JavaScript If...else Statement

It evaluates the content whether condition is true of false. The syntax of JavaScript if-else statement is given below.

Flowchart of JavaScript If...else statement

if else statement in javaScript

Let’s see the example of if-else statement in JavaScript to find out the even or odd number.

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Output of the above example


JavaScript If...else if statement

It evaluates the content only if expression is true from several expressions. The signature of JavaScript if else if statement is given below.

Let’s see the simple example of if else if statement in javascript.

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Output of the above example

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