How to useLodash _.isEqual() Method in Javascript

The Lodash _.isEqual() Method performs a deep comparison between two values to determine if they are equivalent.

Example:

Javascript




// Defining Lodash variable
const _ = require('lodash');
 
let val1 = { "a": "gfg" };
 
let val2 = { "a": "gfg" };
 
// Checking for Equal Value
console.log("The Values are Equal : "
        +_.isEqual(val1,val2));


Output:

The Values are Equal : true


How to compare two JavaScript array objects using jQuery/JavaScript ?

In this article, we are given two JavaScript array/array objects and the task is to compare the equality of both array objects.

These are the methods to compare two JavaScript array objects:

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Approach 1: Using jQuery not() method

Use the jQuery not() method to check for each element of array1, if it is not present in array2 or for each element of array2, if this is not present in array1, then it returns false in both cases. Also, check the length of both arrays....

Approach 2: Use the sort() function

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Approach 3: JSON.stringify() function

First, use the sort() function to sort both arrays in ascending order. Then start matching the element one by one and if there is any mismatch found then it returns false otherwise it returns true....

Approach 4: Using every() and indexOf()

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Approach 5: Using Lodash _.isEqual() Method

Create two array objects and store them into arr1 and arr2 variables. Use JSON.stringify() function to convert an object into a JSON string. Now compare both JSON strings using the comparison operator (==) to check whether both array objects are equal or not....