self hosted private support chat software use JavaScript remove HTML tags

The main reason for removing HTML tags in online customer service systems is to prevent malicious users from attacking the website or other users by inputting malicious HTML code.

For example, if you do not filter the HTML input by users, a malicious user may input the following code:

<script> window.location = 'http://hacker-website.com'; </script>

If your system does not filter HTML, this code will be executed, causing the browser to redirect to a malicious website.

In addition, if your system does not filter HTML, your users may also use HTML tags to change the layout or format of the page. This can cause the page to look messy and may affect the user experience of other users.

In conclusion, removing HTML tags in online customer service systems can help protect your website and your users from malicious attacks and improve user experience.

You can use regular expressions to remove HTML tags, for example:

function removeHTMLTags(str) {
  return str.replace(/<[^>]*>/g, '');
}

You can use this function like this:

const html = '<p>Hello World</p>';
const plainText = removeHTMLTags(html);
console.log(plainText); // "Hello World"

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