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How to find keys of a hash in JavaScript?
Following is the code for finding keys of a hash 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 { font-size: 20px; font-weight: 500; } </style> </head> <body> <h1>Find keys of a hash in JavaScript</h1> <div style="color: green;" class="result"></div> <button class="Btn">DISPLAY</button> <h3>Click on the above button to display the hash keys</h3> <script> let resEle = document.querySelector(".result"); let obj = { firstName: "Rohan", lastName: "Sharma", age: 22, }; document.querySelector(".Btn").addEventListener("click", () => { resEle.innerHTML += "object keys are " + Object.keys(obj); }); </script> </body> </html> Output
The above code will produce the following output −
On clicking the ‘DISPLAY’ button −
Updated on: 2020-07-17T09:09:10+05:30
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