javascript - Keypress event on dynamically added element is not working

I have a table that is added dynamically. The keypress event is not working on tr and td. The event is not fired. But it fires if I use the table or the class of table like '.loaded-table'. Here is my code.

$(document).on("keypress", '.loaded-table tr', function (event) {
    var key = event.which;
    if(key === 13){
        event.preventDefault();
        alert();
    }
});

And here is the HTML code of dynamically loaded table.

<table contenteditable="true" class="table table-bordered loaded-table">
    <thead>
        <tr>
            <th>id</th>
            <th>name</th>
            <th>father_name</th>
            <th>dob</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td>1</td>
            <td>John</td>
            <td>Robert</td>
            <td>12-04-1992</td>
        </tr>
    </tbody>
</table>

I don't think that I have a problem in selecting the element for the event. You may know better. Thanks

$(document).on("keypress", '.loaded-table tr', function (event) {
    var key = event.which;
    if(key === 13){
        event.preventDefault();
        alert();
    }
});

And here is the HTML code of dynamically loaded table.

<table contenteditable="true" class="table table-bordered loaded-table">
    <thead>
        <tr>
            <th>id</th>
            <th>name</th>
            <th>father_name</th>
            <th>dob</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td>1</td>
            <td>John</td>
            <td>Robert</td>
            <td>12-04-1992</td>
        </tr>
    </tbody>
</table>

I don't think that I have a problem in selecting the element for the event. You may know better. Thanks

Share asked Jun 17, 2017 at 16:02 Maseed 5436 silver badges20 bronze badges

try $('.loaded-table').on("keypress", 'tr', ... – daremachine Commented Jun 17, 2017 at 16:06
Nice Question. +1 – Death-is-the-real-truth Commented Jun 17, 2017 at 16:31
every-body posted answer but no one able to answer that why .loaded-table tr or loaded-table tr td is not working when table is content-editable. – Death-is-the-real-truth Commented Jun 17, 2017 at 18:13

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2 Answers 2

Sorted by: Reset to default 6

You need to remove contenteditable="true" from table tag and add it to either tr or td in order to allow keypress event to fire. In this example I have added contenteditable="true" to all tds for which I want to fire the keypress event.

$('body').on("keypress", '.loaded-table tr td', function(e) {
    var keyC = e.keyCode;
    if (keyC == 32) {
         alert('Enter pressed');
    }
});

<script src="https://ajax.googleapis./ajax/libs/jquery/2.1.1/jquery.min.js"></script>

<body>
<table class="table table-bordered loaded-table">
    <thead>
        <tr>
            <th>id</th>
            <th>name</th>
            <th>father_name</th>
            <th>dob</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td contenteditable="true">1</td>
            <td contenteditable="true">John</td>
            <td contenteditable="true">Robert</td>
            <td contenteditable="true">12-04-1992</td>
        </tr>
    </tbody>
</table>
</body>

OR simply use <input> element

<tr><td><input type="text"></td>....</tr>

This works too. Notice the , after .loaded-table.

$(document).on("keypress", '.loaded-table, tr', function(e) {
    var keyC = e.keyCode;
    if (keyC == 32) {
         alert('Enter pressed');
    }
});

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2 Answers 2

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