function isJS(path) {

    return /jsx?$/.test(path)

}

function endsWith(str, suffix) {

    return str.indexOf(suffix, str.length - suffix.length) !== -1;

}

​

endsWith("hello young man","man");//true

endsWith("hello young man","boy");//false

​

const s = 'I am going to become a FULL STACK JS Dev with Coderslang';

​

console.log(s.endsWith('lang'));             // true

console.log(s.endsWith('LANG'));             // false

JavaScript startsWith() Case sensitive Example

const text = 'Hello, Welcome to JavaScript World';

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

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