Task3.js

// Func declaration finding area 
function area(length,width)
{
    console.log("Area:",(length*width));
    
}
area(10,10)

// func expression finding area
let Area2=function(length2,width2)
{
    console.log("Area2:",(length2*width2));
    }
Area2(10,10)
// arrow func finding area
let area3=(length3,width3)=>
{
    console.log("Area3:",(length3*width3));
    
} 
area3(10,10)

//  func declarationFinding percent of subjects 

function percentage(tamil,english,science,chemistry,maths)
{
    console.log("percentage is ",(tamil+english+science+chemistry+maths)/500*100);    
}
percentage(90,90,90,90,90)

// func expression

let percentage1=function(tamil1,english1,science1,chemistry1,maths1)
{
    console.log("percentage1 is",(tamil1+english1+science1+chemistry1+maths1)/500*100);    
}
percentage1(90,90,90,90,90)

// arrow function

let percentage2=(tamil2,english2,science2,chemistry2,maths2)=>
{
    console.log("percentage2 is",(tamil2+english2+science2+chemistry2+maths2)/500*100);   
}
percentage2(90,90,90,90,90)

// IIFE
(
function(len,wid)
{
    console.log("areaiif is",(len*wid));
    
}
)
(10,10)