jQuery check if exist in array an html element

Question

I would to have an array with html element, but I don't want have duplicate. Is possible that $.inArray() don't work with html element?

var rowsArr= new Array();
var rowMst=$('.a');

rowsArr.push(rowMst[0]);

if($.inArray(rowsArr, rowMst[0]) === -1) { 
  rowsArr.push(rowMst[0]); 
}else{
  alert("Already exist");
}

console.dir(rowsArr);

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<div class="a">Hello</div>
<div class="b">Stack</div>
<div class="c">Overflow</div>

Possible duplicate of jQuery.inArray(), how to use it right? — Hassan Imam
– Hassan Imam, Commented Nov 24, 2017 at 17:02

VIJAYABAL DHANAPAL · Accepted Answer · 2017-11-24 17:00:42Z

1

Yes,inArray will work. Minor issue in your code at line number 4 corrected here. $.inArray(value, array, index)

var rowsArr= new Array();
var rowMst=$('.a');

rowsArr.push(rowMst[0]);

if($.inArray(rowMst[0],rowsArr) === -1) { 
  rowsArr.push(rowMst[0]); 
}else{
  alert("Already exist");
}

console.dir(rowsArr);

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<div class="a">Hello</div>
<div class="b">Stack</div>
<div class="c">Overflow</div>

answered Nov 24, 2017 at 17:00

VIJAYABAL DHANAPAL

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