Case-Insensitive Search:

Exercise 1

Create a function that takes two parameter first param is string with all lowercase second param is search string with all uppercase Using this two parameters found second param string from first string using case sensitive

   
  const str ="hello world";
  const searchStr ="HELLO WORLD";
  function casesensi(str, searchStr) {
      console.log(str.includes(searchStr.toLowerCase())); //true
      console.log(str.includes(searchStr)); //false
  }
  casesensi(str, searchStr);