Javascript Practice 29: JS Hero - Fahrenheit

 
Question: 

Write a function toFahrenheit that converts a temperature from Celsius to Fahrenheit.

Example: toFahrenheit(0) should return 32.




Answer: 

function toFahrenheit (celsius) {

return (celsius * 1.8) + 32; 

};

> Celsius to Fahrenheit formula = (C * 1.8) + 32
> return the above formula in the statement to get the Fahrenheit

Comments

Post a Comment

Popular posts from this blog

Junior Developer Central JS Practice Exercise - 22

  Question:  Write a Javascript function that accepts a string as a parameter and counts the number of vowels within the string.  Answer:  function vowelCount (str) {   let vowels = /[aeiou]/gi;   let result = str.match(vowels);   let count = result.length;   return count;       }; > we declare a function 'vowelCount'  > it has one parameter 'str', which is a string > we declare a variable 'vowels' and initialize it with the 5 vowels > the 'g' modifier is used on the 'vowels' variable to perform a global match  > a global match will find all matches and will not stop after finding the first match >  additionally   the 'i' modifier is used  on the 'vowels' variable to perform case insensitive matching > we declare another variable 'result' and initialize it with the result we get when we use the match () method on the 'str' parameter > the match() method searches a string for a ma...
Read more

Junior Developer Central JS Practice Exercise - 16

  Question:  Given a year, report if it is a leap year.  Answer:  function isLeapYear (year) { const leapYear01 = year;  const leapYear02 = leapYear01 / 4; if (Number.isInteger( leapYear02 )) { return true;  } else {  return false; } } > we declare a function 'isLeapYear'  > it has one parameter 'year'  > leap year has 366 days > leap year comes every 4 years > all leap years are divisible by 4 > hence all the years that are divisible by 4 are 'leap years'  > so first we create a variable 'leapYear01'  > we initialize it with a value that we get in 'year' argument > then we create another variable 'leapYear02'  >  we initialize it with a value that we get by dividing the  'leapYear01' by 4 > we then open an if/else statement > we want to check if the value stored in  'leapYear02' is an integer > an integer is a whole number > an integer is a number that can be written wit...
Read more

Javascript Practice 48: JS Hero - if...else

  Question:  Write a function addWithSurcharge that adds two amounts with surcharge. For each amount less than or equal to 10, the surcharge is 1. For each amount greater than 10, the surcharge is 2. Example: addWithSurcharge(5, 15) should return 23. Answer:  function addWithSurcharge (a,b) { if (a <= 10 && b <= 10) { return a + b + 2;  } else if (a > 10 && b > 10) {  return a + b + 4;  } else return a + b + 3; } ; or  function addWithSurcharge(a, b) {   let surcharge = 0;   if (a <= 10) {     surcharge = surcharge + 1;   } else {     surcharge = surcharge + 2;   }   if (b <= 10) {     surcharge = surcharge + 1;   } else {     surcharge = surcharge + 2;   }   return a + b + surcharge; } > in the first example we declare a function addWithSurcharge >>> it has two parameters >>> we create if / else if / else statements to...
Read more