The latest articles on DEV Community by nextstep (@nextstep). https://dev.to/nextstep 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%2F405626%2F148d5994-4966-4bda-8226-43d628bf8635.png https://dev.to/nextstep en nextstep Thu, 03 Jun 2021 02:02:52 +0000 https://dev.to/nextstep/first-post-4409 https://dev.to/nextstep/first-post-4409 <p>An associative array is an array with string keys rather than numeric keys[1]. Sometimes, we need to convert the array into a JSON object. Here is a single line of code to do it;<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>let jsArray = [] jsArray['name'] = 'foo' jsArray['birthday'] = '04-04-2011' console.log(jsArray['name']) if (Object.keys(jsArray).length !== 0) { let json = Object.assign({}, jsArray) console.log(json) } </code></pre> </div> <p>output:<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>foo { name:"foo", birthday:"04-04-2011" } </code></pre> </div> <p><a href="https://playcode.io/776216/">https://playcode.io/776216/</a></p> <p>Readings:</p> <ul> <li>[1] <a href="http://dyn-web.com/javascript/arrays/associative.php">http://dyn-web.com/javascript/arrays/associative.php</a> </li> </ul>