javascript/function.html at main · ReemHasanA/javascript · 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>Document</title>
</head>
<body>
    <button onclick="tellFortune()">Try it</button>
    <button onclick="calculateDogAge()">calculate Dog Age</button>
    <button onclick="calculateSupply()">calculate Supply</button>
    <button onclick="greet()">hello</button>

    <button onclick="cube()">cube</button>
    <button onclick="multiply()">multiply</button>

    <button onclick="largerNubmer()">larger Nubmer</button>
    <button onclick="smallerNubmer()">smallerNubmer</button>


    <script>
        /*
1
Write a function named tellFortune that:
takes 4 arguments: number of children,
partner's name, geographic location, job title.
outputs your fortune to the screen like so:
"You will be a X in Y, and married to Z with N kids."

Ex: tellFortune('software engineer', 'Jordan', 'Alice', 3);
=> "You will be a software engineer in Jordan, and married to Alice with 3 kids."
*/
function tellFortune() {
    let job  = prompt("Please enter your job title", "job title");
    let location = prompt("Please enter your geographic location", "geographic location");
    let partner= prompt("Please enter your partner's name", "your partner's name");
    let children = prompt("Please enter your number of children", "the number of children");

    console.log(`You will be a ${job} in ${location}, and married to ${partner} with ${children} kids`)
}

/*
2
Write a function named calculateDogAge that:
takes 1 argument: your puppy's age.
calculates your dog's age based on the conversion
rate of 1 human year to 7 dog years.
outputs the result to the screen like so:
"Your doggie is NN years old in dog years!"

Ex: calculateDogAge(1);
=> "Your doggie is 7 years old in dog years!"
*/
function calculateDogAge() {
    let age = prompt("Please enter your puppy's age", "puppy's age");
    console.log(`Your doggie is ${age*7} years old in dog years!`)
}
/*
3
Write a function named calculateSupply that:
takes 2 arguments: age, amount per day.
calculates the amount consumed for rest of the life (based on a constant max age 100).
outputs the result to the screen like so:
"You will need NN to last you until the ripe old age of X"

Ex: calculateSupply(30, 3);
=> 'You will need 76650 cups of tea to last you until the ripe old age of 100;
*/
function calculateSupply() {
    let x = prompt("Please enter your age", "your age");
    let y = prompt("Please enter your amount per day", "your amount per day");
    console.log(`You will need ${(100-x)*365*y} cups of tea to last you until the ripe old age of 100`);
}

// /*
// 4
// Write a function called greet that:
// takes 1 argument: name.
// and it will return hello + name

// Ex: greet("Adam")
// => "Hello Adam"
// */
function greet() {
    let n = prompt("Please enter your name", "your name");
    console.log(`Hello ${n}`);
}

// /*
// 5
// what is the error:
// function double(cat) {
//   return 2 * x;
// }

// function double(7) {
//   return 2 * 7;
// }

// function double('7') {
//   return 2 * 'x';
// }
//
// */


// /*
// 6
// fix these functions:
// func double1(x {
//   return 2 * x ;
// }

// functiondouble2 x)
// return 2 * x;
// }

// function (x) double3 {
//   return 2 * x;

// */


// /*
// 7
// Write a function called cube that:
// accept 1 parameter and calculate the cube of this number

// Ex: cube(4)
// => 64
// */
function cube(){
  let y = prompt("Please enter a number", "number");
    console.log(y**3)
}

// /*
// 8
// Write a function called multiply that:
// accept 2 parameters and calculate the multiply of these 2 numbers

// Ex: multiply(3,4)
// => 12
// Ex: multiply(5,4)
// => 20
// */
// function multiply(a,x){
//   let a1 = prompt("Please enter your 1st number ", "the number ");
//   let x1 = prompt("Please enter your 2nd number ", "the number ");
//   console.log(a1 *x1)
// }

// /*
// 9
// Write a function called canIGetADrivingLicense that:
// accept 1 parameter represent the age
// and if the age greater than or equal to 20 return "yes you can"
// otherwise return "please come back after X years to get one"

// Ex: canIGetADrivingLicense(21)
// => "yes you can"

// Ex: canIGetADrivingLicense(17)
// => "please come back after 3 years to get one"

// Ex: canIGetADrivingLicense(20)
// => "yes you can"

// */

// function canIGetADrivingLicense(){
// let age1 = prompt("Please enter your age", "the age");
// if(age1>=20 ){
//     console.log("yes you can")
// }else{
//     console.log(`please come back after ${20-age1} years to get one`)
// }
// }
// /*
// 10
// Write a function called sameLength
// that accepts two strings as arguments,
// and returns true if those strings have the same length, and false otherwise.

// **hint: how we can know string length   Ex: : "tree".length   => 4

// Ex: sameLength("tree","clue")
// => true

// Ex: sameLength("tree","car")
// => false
// */
// function sameLength(){
//   let a2 = prompt("Please enter your 1st word ", "the word ");
//   let x2 = prompt("Please enter your 2nd word ", "the word ");
//   if((a2.length)==(x2.length)){
//     return true;
//   }else{
//     return false;
//   }
// }
// /*
// 11
// Write a function called largerNubmer
// that accept two numbers as arguments,
// and return the first larger numbers

// Ex: largerNubmer(5,6)
// => 6

// Ex: largerNubmer(5,3)
// => 5
// */
// function largerNubmer(){
//   let a3 = prompt("Please enter your 1st # ", "the number ");
//   let x3 = prompt("Please enter your 2nd # ", "the number ");
//   if(a3>x3){
//     console.log(a3)
//   }else{
//     console.log(x3)
//   }
// }

// /*
// 12
// Write a function called smallerNubmer
// that accept three numbers as arguments,
// and return the first smaller number

// Ex: smallerNubmer(8,6,7)
// => 6

// Ex: smallerNubmer(5,99,34)
// => 5

// Ex: smallerNubmer(5,99,3)
// => 3

// Ex: smallerNubmer(5,3,3)
// => 3

// */
// function smallerNubmer(){
//   let a4 = prompt("Please enter your 1st Nubmer ", "the Nubmer ");
//   let x4 = prompt("Please enter your 2nd Nubmer ", "the Nubmer ");
//   let y4 = prompt("Please enter your 3rd Nubmer ", "the Nubmer ");
//   if(a4<x4 && a4<y4){
//     console.log(a)
//   }else if (x4<a4 && x4<y4){
//     console.log(x4)
//   }else{
//     console.log(y4)
//   }
// }
// /*
// 13
// Write a function called shorterString
// that accept five string as an arguments,
// and return the first shorter string

// Ex: shorterString("air","school","car","by","github")
// => by

// Ex: shorterString("air","tr","car","by","github")
// => tr

// Ex: shorterString("by","tr","car","air","github")
// => by

// Ex: shorterString("air","by","car","school","github")
// => by

// Ex: shorterString("air","tr","by","car","github")
// => by

// Ex: shorterString("air","tr","car","github","by")
// => by

// */
// function shorterString(){
//   let d1 = prompt("Please enter your 1st word ", "the word ");
//   let d2 = prompt("Please enter your 2nd word ", "the word ");
//   let d3 = prompt("Please enter your 1st word ", "the word ");
//   let d4 = prompt("Please enter your 2nd word ", "the word ");
//   let d5 = prompt("Please enter your 1st word ", "the word ");

//   if((d1.length)<(d2.length)&&(d1.length)<(d3.length)&&(d1.length)<(d4.length)&&(d1.length)<(d5.length)){
//     console.log(d1)
//   }else if((d1.length)>(d2.length)&&(d2.length)<(d3.length)&&(d2.length)<(d4.length)&&(d2.length)<(d5.length)){
//     console.log(d2)
//   }else if((d3.length)<(d2.length)&&(d1.length)>(d3.length)&&(d3.length)<(d4.length)&&(d3.length)<(d5.length)){
//     console.log(d3)
//   }else if((d4.length)<(d2.length)&&(d1.length)>(d4.length)&&(d3.length)>(d4.length)&&(d4.length)<(d5.length)){
//     console.log(d4)
//   }  else {

//     console.log(d5)
//   }}

// /*
// 14
// Write a function called longerString
// that accept four string as an arguments,
// and return the first longer string

// Ex: longerString("air","school","car","github")
// => school

// Ex: longerString("air","schoo","car","github")
// => github

// try all the cases (change the order of the longestString)
// */

// /*
// 15
// Write a function called isEven
// that accept 1 argument as a number,
// and return true if this number is even
// and false if this number is odd

// Ex: isEven(1)
// => false
// Ex: isEven(2)
// => true

// */
// function isEven(){
//   if (x%2==0){
//     console.log("true")
//   }else{
//     console.log("false")
//   }
// }

// /*
// 16
// Write a function called isOdd
// that accept 1 argument as a number,
// and return true if this number is Odd
// and false if this number is Even

// Ex: isOdd(4)
// => false
// Ex: isOdd(5)
// => true

// */
// function isOdd(){
//   if (x%2==1){
//     console.log("true")
//   }else{
//     console.log("false")
//   }
// }

// /*
// 17
// Write a function called positive
// that accept 1 argument as a number,
// and return the positive version of the number passed

// Ex: positive(4)
// => 4
// Ex: positive(-5)
// => 5

// */
// function positive(){
//   let s =prompt("Please enter your Nubmer ", "the Nubmer ");
//   if (s<0){
//     s*=-1
//   }
//   console.log(s)
// }

// /*
// 18
// Write a function called fullName
// that accept two parameters, firstName and lastName,
// and returns the firstName and lastName concatenated
// together with a space in between.

// Ex: fullName("Adam","McCallen")
// => "Adam McCallen"
// Ex: fullName("Alex", "Mercer")
// => "Alex Mercer"
// */
// function fullName(){
//   let firstName = prompt("Please enter your firstName ", "the firstName ");
//   let lastName = prompt("Please enter your lastName word ", "the lastName ");
//   console.log(`${firstName} ${lastName}`)
// }

// /*
// 19
// Write a function called average
// that takes five numbers as inputs
// and returns the average of those numbers.

// Ex: average(1,2,3,4,5)
// => 3

// Ex: average(5,7,9,3,5)
// => 5.8

// */
 function average(){
  let b,sum;
  for(i=0;i<5;i++){
    b = prompt("Please enter your no ", "the # ");
    sum+=b
  }
  return sum/5;
 }

// /*
// 20
// Write a function called randomNumber
// that didnt takes any parameter
// and returns a random number between 0-1
// ** hint: you can seacrh using MDN

// Ex: randomNumber()
// => 0.2278

// Ex: randomNumber()
// => 0.475

// */
// function randomNumber() {

// console.log(Math.random());
// }


// /*
// 21
// Write a function called randomBetweenNumbers
// that takes 2 parameters
// and returns a random number between them
// ** hint: you can seacrh using MDN

// Ex: randomBetweenNumbers(1,8)
// => 7.5412

// Ex: randomBetweenNumbers(3,100)
// => 23

// */
function randomBetweenNumbers(min,max) {
  let m= Math.floor(Math.random()*(max-min)+min)
  return m;
}

console.log(randomBetweenNumbers(-5,3));

// /*
// 22
// Write a function called scoreInUniversty
// that takes 1 parameters
// and returns the alpabet in the unevirsty
// A => 95-100
// B => 85-94
// C => 70-84
// D=> 50-69
// F=> 0-49

// Ex: scoreInUniversty(96)
// => "A"

// Ex: scoreInUniversty(3)
// => "F"

// Ex: scoreInUniversty(71)
// => "C"
// */
// function scoreInUniversty(score){
//   let score;
//   if (score<=100 && score>=0){
//     if (score>94){
//       return "A";
//     }else if (score>84){
//       return "B";
//     }else  if (score>70){
//       return "C";
//     }else if (score>50){
//       return "D";
//     }else {
//       return "F";
//     }
// }
// }

function scoreInUniversty(score){
  score;
  if(score<=100 && score>=0){
  switch(true) {
  case score>95:
  return "A";
  case score>84:
  return "B";
  case score>70:
  return "C";
  case score>50:
   return "D";
  default:
  return "F";
    break;

}}}
console.log(scoreInUniversty(99))

//       return "A"; it will end the cond so we don't need to add break
//
//


// /*
// 23
// Write a function called counter
// that will returns a number bigger
// than the one that returnd before
// and start from 0

// Ex: counter()
// => 1

// Ex: counter()
// => 2

// Ex: counter()
// => 3

// */
let c=0
function counter(c){
  return c++;
}

// /*
// 24
// Write a function called resetCounter
// that will reset the previuos function
// and return the number before reset and
// a string say that the counter reset

// Ex: counter()
// => 1

// Ex: counter()
// => 2

// Ex: counter()
// => 3

// Ex: resetCounter()
// => 3 and the counter reset now

// Ex: counter()
// => 1

// Ex: counter()
// => 2

// Ex: resetCounter()
// => 2 and the counter reset now

// Ex: counter()
// => 1
// */

function resetcounter(c){
  return `${c}and the counter reset now`,c=0;
  }
console.log(counter());
console.log(counter());
console.log(resetcounter());
</script>
</body>
</html>