const zeroFuel = (distanceToPump, mpg, fuelLeft) => {
  if(fuelLeft >= (distanceToPump / mpg)){
    return true 
  }else {
    return false 
  }
};



8 kyu
You only need one - Beginner
JavaScript:
function check(a, x) {
let share = a.filter(number => number === x)
if(share.length === 0){
  return false
}else {
  return true
}
}


8 kyu
Reversed sequence
JavaScript:
const reverseSeq = n => {
  let array = []
  for(let i = n; i>0; i--){
    array.push(i)
  }
  return array;
};


8 kyu
Array plus array
JavaScript:
function arrayPlusArray(arr1, arr2) {
  arr1= arr1.reduce((acc, c) => acc + c, 0)
  arr2= arr2.reduce((acc, c) => acc + c, 0)
  return arr1 + arr2; //something went wrong
}


8 kyu
Beginner Series #1 School Paperwork
JavaScript:
function paperwork(n, m) {
     return (n <= 0 || m <= 0) ? 0 : n*m
}



function paperwork(n, m) {
  if((n <= 0 || m <= 0)){
    return 0
  } else {
    return n*m
  }
}


8 kyu
Calculate average
JavaScript:
function find_average(array) {
if(array.length === 0){
  return 0
} else {
    let average = array.reduce((acc, c) => acc + c) / array.length
   return average
  
 }}


7 kyu
Find the vowels
JavaScript:
function vowelIndices(word){
  let array = word.toLowerCase().split("")
  let finalArray = []

  for(let i = 0; i<array.length; i++) {
    if (array[i] === "a" || array[i] === "e" || array[i] === "i" || array[i] === "o" || array[i] === "u" || array[i] === "y"){
        finalArray.push(i+1)
    }
  }
  return finalArray
}

console.log(vowelIndices("mmmm"))

                                 
8 kyu
Calculate BMI
JavaScript:
function bmi(weight, height) {
  let bmi = weight / (height * height)
if(bmi <= 18.5){
  return "Underweight"
} else if(bmi <= 25.0) {
  return "Normal"
}else if(bmi <= 30.0){
  return "Overweight"
} else if(bmi > 30){
  return "Obese"
}}



8 kyu
Reversed Words
JavaScript:
function reverseWords(str){
  return str.split(" ").reverse().join(" ")
}



8 kyu
Reverse List Order
JavaScript:
function reverseList(list) {
return list.reverse()
}


8 kyu
Sum Arrays
JavaScript:
// Sum Numbers
function sum (numbers) {
 return numbers === "" ? 0 : numbers.reduce((acc, c) => acc + c, 0)
  }



8 kyu
Simple multiplication
JavaScript:
function simpleMultiplication(number) {
    return number % 2 === 0 ? number * 8 : number * 9
}



function simpleMultiplication(number) {
    if(number % 2 === 0) {
      return number * 8
    } else {
      return number * 9 
    }
}



8 kyu
Convert a string to an array
JavaScript:
function stringToArray(string){
return string.split(" ")
  // code code code

}



8 kyu
Get the mean of an array
JavaScript:
function getAverage(marks){
  let sum = marks.reduce((acc,c) => acc + c) 
               return Math.floor(sum / marks.length) 
}



8 kyu
Is he gonna survive?
JavaScript:
function hero(bullets, dragons){
    return bullets >= dragons * 2 ? true: false 
  }