jQuery Check duplicated value in array

Today, We want to share with you jQuery Check duplicated value in array.In this post we will show you Jquery check if array contains duplicate string, hear for jQuery array Find duplicate values in a array we will give you demo and example for implement.In this post, we will learn about Calculate If Duplicates Exist In An Array Using Jquery with an example.

jQuery Check duplicated value in array

There are the Following The simple About jQuery Check duplicated value in array Full Information With Example and source code.

Read Also:  Jquery Remove Duplicates from an array Examples

As I will cover this Post with live Working example to develop jQuery check duplicate values in inputs, so the Check duplicated value in array for this example is following below.

Example 1: Jquery check if array contains duplicate string

var reportRecipients = ['PAKAINFO', 'ARITY', 'PAKAINFO', 'GONDALIYA', 'JAYDEEP', 'ARITY', 'PQR'];
var memberArrData = reportRecipients.sort(); 

var reportCheckDuplicate = [];
for (var i = 0; i < memberArrData.length - 1; i++) {
    if (memberArrData[i + 1] == memberArrData[i]) {
        reportCheckDuplicate.push(memberArrData[i]);
    }
}

Example 2: check duplicate values using jQuery

jQuery to remove duplicate items from array

HTML Part

<h3>Before data removing deuplicate jQuery array elements </h3>
<div id="mydata"></div>
<hr/>
<h3> After data removing deuplicate jQuery array elements </h3>

<div id="checkDuplicate"></div>

js Part
$(document).ready(function () {
    var arr = [10, 19, 22, 36, 50, 74, 10, 22];
    $('#mydata').html(arr.join("<hr>"));
    arr = $.unique(arr);
    $('#checkDuplicate').html(arr.sort().join("<hr />"));
});

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