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How to Efficiently Remove HTML Tags from Text Using Plain JavaScript?
How to Efficiently Remove HTML Tags from Text Using Plain JavaScript?
Dec 27, 2024 am 07:11 AM
Stripping HTML Tags from Text in Plain JavaScript
Stripping HTML tags from a string is a common task in web development. While there are libraries available for this purpose, it's possible to achieve this using plain JavaScript.
Using the Browser's DOM
If your code runs in a browser, the easiest approach is to let the browser handle the HTML parsing. This can be done by creating a temporary DOM element and setting its innerHTML property to the HTML string. The resulting textContent or innerText property will contain the text without HTML tags.
function stripHtml(html) {
let tmp = document.createElement("DIV");
tmp.innerHTML = html;
return tmp.textContent || tmp.innerText || "";
}
Caution: This method should be used with caution when processing untrusted input, such as user-generated content.
Using DOMParser
An alternative method is to use the DOMParser interface, which is available in modern browsers. This allows you to parse HTML strings without creating DOM elements.
function stripHtml(html) {
const doc = new DOMParser().parseFromString(html, "text/html");
return doc.body.textContent;
}
Regular Expressions
Regular expressions can also be used to strip HTML tags from a string, but this approach is generally less efficient and robust compared to the above methods.
function stripHtml(html) {
return html.replace(/<.+?>/g, "");
}
Remember to consider the limitations and security implications of each method when choosing the appropriate solution for your use case.
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