How to Compare 2 Objects in JavaScript 🎉Objects are reference types so you can’t just use === or == to compare 2 objects. One quick way to compare if 2 objects have the same key value, is using JSON.stringify. Another way is using Lodash isEqual function 👏...
As you can see, the direct comparison returnsfalseeven though both arrays have the same elements. This is because the two arrays are different objects in memory. To compare the elements of the arrays, we need to use other methods.
For example, let’s make a function to compare the above objects in JavaScript. See the code below. function ObjCompare(obj1, obj2) { if (obj1.name === obj2.name && obj1.price === obj2.price) { return true; }; return false; } const fruit1 = { name: 'Apple', price: '2...
We can not use the equality operators to compare theDateobjects directly in JavaScript. Because two different objects in JavaScript are never equal both in strict and abstract level. See the example below. letdate1=newDate();letdate2=newDate(date1);console.log(date1==date2);console.log(dat...
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A quick guide to learn how to compare two objects in JavaScript to check if they contain they same key-value pairs.
How to Compare Two JavaScrpt ArraysTo compare two Arrays in JavaScript, you should check that the length of both arrays should be the same, the objects presented in it be the same type, and each item in one array is equivalent to the counterpart in the compared array....
Compare past and future dates with a given date. Create a Date Object in JavaScript The following describes the creation of Date objects, First, we need to create a date object. The Date object is used to work with dates and times. ...
Compare Date in JavaScript using getMonth(), getDate(), and getFullYear() functions JavaScript does not have the feature to compare Date without time directly. If you want to do this sort of comparison then you need to fetch month, year, and date from the objects individually. An example...
Example: How to compare strings in JavaScript using Strict Equality operator (===) First of all, we will create two strings named “string1” and “string2” having the following values: const string1 ='linux'; const string2 ='hint'; ...