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Jquery Compare Two Tables Cell by Cell?

Posted on 2014-04-03
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Last Modified: 2014-04-05
I found this example that only works using === when comparing two cell values.
http://stackoverflow.com/questions/12561937/compare-two-tables-rows-and-remove-if-match

Q. How can I compare two tables cell by cell using != operator?

<table id="T1">
    <tr><td>111</td></tr>
    <tr><td>222</td></tr>
    <tr><td>333</td></tr>
</table>

<table id="T2">
    <tr><td>444</td></tr>
    <tr><td>111</td></tr>
    <tr><td>333</td></tr>
</table>

$('#T1 tr').each(function()
 {
    var leftTableCell=$(this);

    $('#T2 tr').each(function()
    {
        if($(this).html( )=== leftTableCell.html())
        {
             //Works!
            $(this).css('background-color', 'green').css('color', 'white'); 
        }
        else
        {
              //Makes ALL cells yellow in T2
            $(this).css('background-color', 'yellow')
        }
    });
});

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Question by:WorknHardr
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4 Comments
 
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Expert Comment

by:Mrunal
ID: 39975690
Hi
can you please explain what exactly do you mean by ...

"Q. How can I compare two tables cell by cell using != operator?"
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Author Comment

by:WorknHardr
ID: 39975730
This 'if' statement works well:
                 if($(this).html( ) === leftTableCell.html())

This 'if' statement does NOT work (makes ALL cells yellow):
                if($(this).html( ) != leftTableCell.html())

I need to compare for Un-equal cell data too...
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LVL 22

Accepted Solution

by:
Mrunal earned 2000 total points
ID: 39977681
Hi
Please try with !== instead of !=

check this:
http://jsfiddle.net/R54w4/
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Author Closing Comment

by:WorknHardr
ID: 39979989
thx
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