How to hide tr in html

htmlHow to hide tr: First create an HTML sample file; then define the rows in the HTML table through the tr tag; finally hide it through "23d1eb367280859b9f3d70033d9b412f" Can.

## The operating environment of this article: windows7 system, HTML5&&CSS3 version, Dell G3 computer.

Hide and show the a34de1251f0d9fe1e645927f19a896e8 tag in Html

Hide and show the TR tag: block (show) and none (hide)

 <tr  style="display:none">

<tr id="sample"
            style="display: <s:if test="sample == 1">block</s:if><s:else>none</s:else>">
            <td>
                sample
            </td>
</tr>
<script type="text/javascript">
function changeTR(selectedValue)
{
    var tr1 = document.getElementById("sample");
    if (selectedValue == 0)
    {
        tr1.style.display = &#39;block&#39;;
    }
    else
    {
        tr1.style.display = &#39;none&#39;;
    }
}
</script>

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