How to usethe Array.find() method in JSON
In this approach, we are going to use the Array.find() method which is used to find the value in an array.
Example: In this example, we will use Array.find() to find the Index of the object.
Javascript
let data = [{ "name": "HTML", "description": "HyperText Markup Language"}, { "name": "CSS", "description": "Cascade Style Sheet"}, { "name": "JS", "description": "JavaScript"}]let index = -1;let val = "JS"let filteredObj = data.find(function (item, i) { if (item.name === val) { index = i; return i; }});if (index == -1) { console.log("Data not found!")} else { console.log(filteredObj.name, "is at index", index);} |
Output:
JS is at index 2
How can I get the index from a JSON object with value ?
In this article, we are going to learn how you get an index from a JSON object with value. we have given a value we need to search for that value with its key in the given JSON object and print the result in the console.
These are the following approaches:
Table of Content
- Using the Array.find() method
- Using findIndex() method
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