string_helpers_intro.js

// String.includes()
// The includes() method returns true if a string contains a specified value, otherwise false.
let message = "The movie is yet to begin!";
message.includes("begin"); // This will return true.

// String.startsWith()
// The startsWith() method returns true if a string begins with a specified value, otherwise false.
let message = "The movie is yet to begin!";
message.startsWith("The"); // This will return true.

// String.endsWith()
// The endsWith() method returns true if a string ends with a specified value, otherwise false.
let message = "The movie is yet to begin!";
message.endsWith("begin!"); // This will return true.
message.endsWith("begin"); // This will return false.