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Flattening arrays in JavaScript
Following is the code for flattening arrays in JavaScript −
Example
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>Document</title> <style> body { font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif; } .result, .sample { font-size: 20px; font-weight: 500; } </style> </head> <body> <h1>Flattening arrays in JavaScript</h1> <div class="sample"><pre>[1,2,3,[4,5],[6,[7,8]]]</pre></div> <div style="color: green;" class="result">After flat : <br></div> <button class="Btn">CLICK HERE</button> <h3>Click on the above button to flat the above array by depth 1</h3> <script> let resEle = document.querySelector(".result"); let sampleEle = document.querySelector(".sample"); let arr = [1,2,3,[4,5],[6,[7,8]]]; document.querySelector(".Btn").addEventListener("click", () => { let store = arr.flat(1); store.forEach((item,index) => { resEle.innerHTML += index + ' : ' + item + '<br>'; }); }); </script> </body> </html> Output
On clicking the ‘CLICK HERE’ button −
Updated on: 2020-07-17T08:14:35+05:30
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