2 IDs in one selector vs. add

JavaScript performance comparison

Test case created

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<form action="#" method="post">
         <label for="name">Text Input:</label>
         <input type="text" name="name" id="name" value="" tabindex="1" />

         <h4>Radio Button Choice</h4>

         <label for="radio-choice-1">Choice 1</label>
         <input type="radio" name="radio-choice-1" id="radio-choice-1" tabindex="2" value="choice-1" />

                 <label for="radio-choice-2">Choice 2</label>
         <input type="radio" name="radio-choice-2" id="radio-choice-2" tabindex="3" value="choice-2" />

        <div id="test-two">
                <label for="select-choice">Select Dropdown Choice:</label>
                <select name="select-choice" id="select-choice">
                        <option value="Choice 1">Choice 1</option>
                        <option value="Choice 2">Choice 2</option>
                        <option value="Choice 3">Choice 3</option>
                <label for="textarea">Textarea:</label>
                <textarea cols="40" rows="8" name="textarea" id="textarea"></textarea>
        <div id="test-one">
            <label for="checkbox">Checkbox:</label>
                <input type="checkbox" name="checkbox" id="checkbox" />

            <input type="submit" value="Submit" />

Preparation code output

Radio Button Choice

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Test Ops/sec
$('#test-one, #test-two')

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