JSBasicPractice

Q1. Write a function that takes a string as argument. The string contains the substring 'is'. Return the index of 'is'.
Ans. function myFunction(a) {
   return a.indexOf('is');
}

Q2. Write a function that takes a string (a) as argument. Get the first 3 characters of a. Return the result
Ans. function myFunction(str) {
   return str.slice(-3);
}

Q3. Write a function that takes a string as argument. Extract the last 3 characters from the string. Return the result
Ans. function myFunction(a) {
   return a.slice(0, 3);
}

Q.Write a function that takes a string (a) as argument. Extract the first half a. Return the result
Ans. function myFunction(a) {
   return a.slice(0, a.length / 2);
}

Q. Write a function that takes a string (a) as argument. Remove the last 3 characters of a. Return the result
Ans. function myFunction(a) 
  {
    return a.slice(0, -3);
  }

Q.Write a function that takes two numbers (a and b) as argument. Return b percent of a
Ans. function myFunction(a, b)
  {
    return a*(b/100);
  }