JavaScript

String Methods

const statement = "I feel like the king of the world!";
console.log(statement);

const updatedStatement = statement.replace("world", "universe");
console.log(updatedStatement);

const makeUpperCase = subString => {
  return subString.toUpperCase();
};

const currentMood = "I am happy.";
console.log(currentMood);

const updatedMood = currentMood.replace("happy", makeUpperCase("happy"));
console.log(updatedMood);

// Variable which holds a string as its value
const statementOne = "I like ice-cream.";
console.log(statementOne);

const updatedStatementOne = statementOne.replace("like", "love");
console.log(updatedStatementOne);


// Using anonymous arrow function as a second parameter
const statementTwo = "Come fly with me.";
console.log(statementTwo);

const updatedStatementTwo = statementTwo.replace("fly", substring => substring.toUpperCase());
console.log(updatedStatementTwo);

// Replacing with a number
const statementThree = "I had two chocolates.";
console.log(statementThree);

const updatedStatementThree = statementThree.replace("two", 2);
console.log(updatedStatementThree);