JSFiddle - React, Tailwind, and code Playground
HTML
<div id="test">
<input type="text" value="text text" name="text">
<br>
<select name="single">
<option>Single</option>
<option>Single2</option>
</select>
<br />
<select name="multiple" multiple="multiple">
<option selected="selected">Multiple</option>
<option>Multiple2</option>
<option selected="selected">Multiple3</option>
</select>
<br/>
<input type="checkbox" name="check" value="check1" id="ch1" />
<label for="ch1">check1</label>
<input type="checkbox" name="check" value="check2" checked="checked" id="ch2" />
<label for="ch2">check2</label>
<br />
<input type="radio" name="radio" value="radio1" checked="checked" id="r1" />
<label for="r1">radio1</label>
<input type="radio" name="radio" value="radio2" id="r2" />
<label for="r2">radio2</label>
<br>
<textarea name="textarea">textarea text</textarea>
<br>
<input type="password" name="password" value="secret">
<br>
<input type="button" value="i'm a button don't serialize me dude">
<br>
<p>some random <p> tag which is not serialized</p>
</div>
JavaScript
console.time("'find' method");
$("#test").find("select, textarea, input").serialize();
console.timeEnd("'find' method");
console.time("':input' method");
$("#test :input").serialize();
console.timeEnd("':input' method");