javascript/operators.js at master · reenakesavan/javascript · GitHub

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//arithmetic operator
function arithmetic(a,b)
{
   // var a=5;  // var can be accessed  outside  block
   // var b=5;

    console.log(a+b);
    console.log(a-b);
    console.log(a*b);
    console.log(a/b);

    console.log(++a);  // add 1 to a pre increament
    console.log(--a); // minus 1 to a pre decreament


}
arithmetic(15,10)


// assignment operator

function assigment()
{
    let a=10;
    let b=5;
    console.log(a+=b);
    console.log(a-=b);
    console.log(a*=b);
    console.log(a/=b);
    console.log(a%=b);
    console.log(a**=b);


}
assigment()
console.log(a);


// equality operator
function equality()
{
    let a=10;
    let b=10;
    let c=24;
    let d="20";

    console.log(a==b);
    console.log(b==c);
    console.log(a==d);

    console.log(a===b);
    console.log(b===c);
    console.log(a===d);

    console.log(a!=b);
    console.log(b!=b);
    console.log(a!=d);

    console.log(a!==b);
    console.log(b!==c);
    console.log(a!==d);
}
equality()

// comparison operator

function comparison()
{
    var a=5;  // var can be used inside function
    var b=10;

    console.log(a>b);
    console.log(a<b);
    console.log(a>=b);
    console.log(a<=b);
}
comparison()

// logical operator

function logical()
{
    let a= 5;
    let b=10;
    let c=20;
    let d=30;

    console.log(a>b && a==c);  // and operator both condition shoul satisfy
    console.log(a<b && a!=c);
    console.log(a<c && c>a);

    console.log(a>b || a==c);  // or  operator any condition should satisfy
    console.log(a<b || a!=c);
    console.log(a<c || c>a);


}
logical()

//ternery operator like if else statement

let age=12;

let result=(age>18)?"major":"Minor"

console.log(result);


// task

let mark=36;
let mark1=20;
let eligible=(mark>=35 && mark1>=35)? "Pass":"Fail"
console.log(eligible);