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String.prototype.includes()


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Fri Nov 13 2020 21:47:15 GMT+0000 (UTC)

Posted by @mvieira #javascript

const str = 'To be, or not to be, that is the question.' 

console.log(str.includes('To be'))        // true
console.log(str.includes('question'))     // true
console.log(str.includes('nonexistent'))  // false
console.log(str.includes('To be', 1))     // false
console.log(str.includes('TO BE'))        // false
console.log(str.includes(''))             // true
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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes