The latest articles on DEV Community by Brian Liotti (@casacode). https://dev.to/casacode https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F83752%2Fe4cfd235-31cd-48ae-8754-275819f4d25c.jpeg https://dev.to/casacode en Brian Liotti Wed, 04 Aug 2021 06:30:16 +0000 https://dev.to/casacode/answer-for-each-over-an-array-in-javascript-5e47 https://dev.to/casacode/answer-for-each-over-an-array-in-javascript-5e47 <div class="ltag__stackexchange--container"> <div class="ltag__stackexchange--title-container"> <div class="ltag__stackexchange--title"> <h1> <img src="https://res.cloudinary.com/practicaldev/image/fetch/s--7Gn-iPj_--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev.to/assets/stackoverflow-logo-b42691ae545e4810b105ee957979a853a696085e67e43ee14c5699cf3e890fb4.svg" alt=""> <a href="https://stackoverflow.com/questions/9329446/for-each-over-an-array-in-javascript/9329476#9329476" rel="noopener noreferrer"> <span class="title-flare">answer</span> re: For-each over an array in JavaScript </a> </h1> <div class="ltag__stackexchange--post-metadata"> <span>Feb 17 '12</span> </div> </div> <a class="ltag__stackexchange--score-container" href="https://stackoverflow.com/questions/9329446/for-each-over-an-array-in-javascript/9329476#9329476" rel="noopener noreferrer"> <img src="https://res.cloudinary.com/practicaldev/image/fetch/s--Y9mJpuJP--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev.to/assets/stackexchange-arrow-up-eff2e2849e67d156181d258e38802c0b57fa011f74164a7f97675ca3b6ab756b.svg" alt=""> <div class="ltag__stackexchange--score-number"> 7548 </div> <img src="https://res.cloudinary.com/practicaldev/image/fetch/s--wif5Zq3z--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev.to/assets/stackexchange-arrow-down-4349fac0dd932d284fab7e4dd9846f19a3710558efde0d2dfd05897f3eeb9aba.svg" alt=""> </a> </div> <div class="ltag__stackexchange--body"> <p><strong>TL;DR</strong></p> <ul> <li> <p><strong>Your best bets</strong> are usually</p> <ul> <li>a <code>for-of</code> loop (ES2015+ only; <a href="https://tc39.es/ecma262/#sec-for-in-and-for-of-statements" rel="noreferrer">spec</a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for...of" rel="noreferrer">MDN</a>) - simple and <code>async</code>-friendly</li> <li> <code>forEach</code> (ES5+ only; <a href="https://tc39.es/ecma262/#sec-array.prototype.foreach" rel="noreferrer">spec</a> | <a href="https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach" rel="noreferrer">MDN</a>) (or its relatives <code>some</code> and such) - <strong>not</strong> <code>async</code>-friendly (but see details)</li> <li>a simple old-fashioned <code>for</code> loop - <code>async</code>-friendly</li> <li> <em>(rarely)</em> <code>for-in</code>…</li> </ul> </li> </ul> </div> <div class="ltag__stackexchange--btn--container"> <a href="https://stackoverflow.com/questions/9329446/for-each-over-an-array-in-javascript/9329476#9329476" rel="noopener noreferrer">Open Full Answer</a> </div> </div>