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\n","mainEntity":{"@type":"Question","name":"The HTML output of the code will remain the same as the original HTML code. The JavaScript code is trying to change the innerHTML of the element with class 'p1' to 'Viblo', but it won't work because `getElementsByClassName` returns a HTMLCollection (which is an array-like object of all child elements), not a single element. \n\nSo, the correct JavaScript code should be:\n\n```javascript\ndocument.getElementsByClassName('p1')[0].innerHTML = 'Viblo';\n```\n\nThis will change the first paragraph text to 'Viblo'. But in your original code, no changes will be made. So, the output will be:\n\n```html\n
\n

First line

\n

Second line

\n

Third line

\n

\n```","text":"The HTML output of the code will remain the same as the original HTML code. The JavaScript code is trying to change the innerHTML of the element with class 'p1' to 'Viblo', but it won't work because `getElementsByClassName` returns a HTMLCollection (which is an array-like object of all child elements), not a single element. \n\nSo, the correct JavaScript code should be:\n\n```javascript\ndocument.getElementsByClassName('p1')[0].innerHTML = 'Viblo';\n```\n\nThis will change the first paragraph text to 'Viblo'. But in your original code, no changes will be made. So, the output will be:\n\n```html\n
\n

First line

\n

Second line

\n

Third line

\n

\n```","author":{"@type":"Person","name":"Anonymous"},"answerCount":1,"datePublished":"2024-08-13T15:14:45.977378","acceptedAnswer":{"@type":"Answer","author":{"@type":"Organization","name":"Knowee AI"},"upvoteCount":0,"text":"The HTML output of the code will remain the same as the original HTML code. The JavaScript code is trying to change the innerHTML of the element with class 'p1' to 'Viblo', but it won't work because `getElementsByClassName` returns a HTMLCollection (which is an array-like object of all child elements), not a single element. \n\nSo, the correct JavaScript code should be:\n\n```javascript\ndocument.getElementsByClassName('p1')[0].innerHTML = 'Viblo';\n```\n\nThis will change the first paragraph text to 'Viblo'. But in your original code, no changes will be made. So, the output will be:\n\n```html\n
\n

First line

\n

Second line

\n

Third line

\n

\n```","url":"https://studygpt.app/questions/81081172-what-is-the-html-output-of-following-codediv-idcontainer-p","datePublished":"2024-08-13T15:14:45.977378"}}}

What is the HTML output of following code?<div id="container"> <p class="p1">First line<p> <p class="p2">Second line<p> <p class="p3">Third line<p></div><script> document.getElementsByClassName('p1').innerHTML = 'Viblo';</script>

Question

What is the HTML output of following code?<div id="container"> <p class="p1">First line<p> <p class="p2">Second line<p> <p class="p3">Third line<p></div><script> document.getElementsByClassName('p1').innerHTML = 'Viblo';</script>

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Solution

The HTML output of the code will remain the same as the original HTML code. The JavaScript code is trying to change the innerHTML of the element with class 'p1' to 'Viblo', but it won't work because getElementsByClassName returns a HTMLCollection (which is an array-like object of all child elements), not a single element.

So, the correct JavaScript code should be:

document.getElementsByClassName('p1')[0].innerHTML = 'Viblo';

This will change the first paragraph text to 'Viblo'. But in your original code, no changes will be made. So, the output will be:

<div id="container">
    <p class="p1">First line<p>
    <p class="p2">Second line<p>
    <p class="p3">Third line<p>
</div>

This problem has been solved

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1/3

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