JSFiddle - React, Tailwind, and code Playground
HTML
<table border=1>
<tr onclick="check1();">
<td>My Options</td>
<td>
<select name="" id="drop_down" onchange="check2();">
<option value="A">A</option>
<option value="B">B</option>
</select>
</td>
</tr>
</table>
JavaScript
function check1(e) {
if (typeof e == "undefined")
e = window.event;
if (e.srcElement.id != "drop_down") {
alert("TR clicked");
}
}
function check2() {
alert("drop_down clicked");
}