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Object.fromEntries() method in JavaScript.
The Object.fromEntries() method in JavaScript is used for converting an iterable like an array, map having a key value pair into an object.
Following is the code for the Object.fromEntries() method −
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>Object.fromEntries() method </h1>
<div
class="sample"><pre>[[firstName,Rohan],[lastName,Sharma],[age,22]]</pre></div>
<div style="color: green;" class="result">Object = <br></div>
<button class="Btn">CLICK HERE</button>
<h3>Click on the above button to convert the above array into object</h3>
<script>
let resEle = document.querySelector(".result");
let sampleEle = document.querySelector(".sample");
let arr = [['firstName','Rohan'],['lastName','Sharma'],['age',22]];
document.querySelector(".Btn").addEventListener("click", () => {
let obj = Object.fromEntries(arr);
for(i in obj){
resEle.innerHTML += 'Key = '+i+' : Value = '+obj[i]+ '<br>';
}
});
</script>
</body>
</html>
Output
The above code will produce the following output −
On clicking the ‘CLICK HERE’ button −
Updated on: 2020-07-16T08:36:28+05:30
167 Views
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