Else If Statement in JavaScript

The "else if" statement is used to implement multiple conditional branches in the decision-making process. It allows you to check for additional conditions after the initial "if" condition, and if the previous "if" condition is false, it evaluates the "else if" conditions one by one until it finds a true condition or reaches the "else" block.

Syntax :
         if (condition) {
                   // Code to be executed if the condition1 is true
         } else if (condition2) {
                   // Code to be executed if condition2 is true
         } else if (condition3) {
                   // Code to be executed if condition3 is true
         } else {
                   // Code to be executed if none of the above conditions are true
         }

Source Code

HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Tutor Joes</title>
</head>
<body>
 
	<script src="js/script.js"></script>
</body>
</html>

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script.js

/*
  if(cond)
  {
    ----
  }
  else if(cond)
  {
    ----
  }
  else
  {
    ---
  }
*/

//Example-1
let number=0;

if(number<0)
{
  console.log(number+" is negative Number");
}
else if(number>0)
{
  console.log(number+" is Positive Number");
}
else
{
  console.log("Given number is zero");
}

//example-2
/*
avg=87;
90-100  A Grade
80-89   B Grade
70-79   C Grade
<70     D Grade
*/
let avg=45;

if(avg>=90 && avg<=100)
{
  console.log("Grade A");
}
else if(avg>=80 && avg<=89)
{
  console.log("Grade B");
}
else if(avg>=70 && avg<=79)
{
  console.log("Grade C");
}
else
{
  console.log("Grade D");
}

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Else If Statement in JavaScript

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