JavaScript - test if string has postfix (suffix)

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// Note: ES6 (ES2015) introduced String endsWith() method that lets to check if string starts with prefix.


const text = 'This is example text.';

console.log(text.endsWith(''));               // true
console.log(text.endsWith('text.'));          // true
console.log(text.endsWith('example text.'));  // true

console.log(text.endsWith('123'));            // false
console.log(text.endsWith('   '));            // false