ChayeORCode/Functions.html at main · ShifaRabbani/ChayeORCode · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Functions in JavaScript</title>
</head>
<body>
    <script>
 function myName(){  //myName is a reference And myName() is execute
  a=8;
  b=9;
  myName=a+b
  console.log(myName);
 }
   myName()


  function addTwoNum (Num1 , Num2){ // Num1 and Num2 are parameters
    if(typeof Num1 !== 'number' || typeof Num2 !== 'number'){
      console.log("Pleas enter number");
    return;
  }
    console.log(Num1 + Num2);
    console.log(Num1 - Num2);
    console.log(Num1 * Num2);
    console.log(Num1 / Num2);
  }

  addTwoNum(3,8); //3 and 8 are arguments
  addTwoNum(10,5);

   function AddTwoNum(num1 , num2){
    let result = num1 + num2
    return result
    // ********************OR******************
    return num1 + num2
   }
   const result = AddTwoNum(4,5)  //return (result)alos stored in a variable
   console.log("Result:",result);


  function LoginuserName (username = "Same"){ //when pass a value here the value never came a false
    if(username === undefined){
console.log("Pleas Ener a Username");
return
    }
    return `${username}:Just Looged in `
  }
          const username = LoginuserName("Shifa")
          console.log(username);
//Or
  console.log(LoginuserName());


  function calculatePrice(...num1){   //reset Operator
     return num1
  }
console.log(calculatePrice(200,344,2211,34));

const user ={
  name:"Shifa",
  price:899
}
function handleObj(anyObj){
  console.log(`user name is ${ anyObj.name} and Price  is ${anyObj.price}` );

}
handleObj(user)
// Or *************pass in an objects**********************
handleObj({
  name:"Same",
  price:909
})
//  *************pass in an Array**********************
const myNewArray =[100,200,300]
function retuArrayValue(getArray){
  return getArray[5]
}
console.log(retuArrayValue(myNewArray));
// OR

console.log(retuArrayValue([22,354,765,435,54643,432]));


    </script>
</body>
</html>