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escapeHTML javascript Code Snippet in 2023

stringbrowserregexpintermediate

Last Updated: 31 January 2023

Escapes a string for use in HTML.

  • Use String.prototype.replace() with a regexp that matches the characters that need to be escaped.
  • Use the callback function to replace each character instance with its associated escaped character using a dictionary object.
const escapeHTML = str => str.replace( /[&<>'"]/g, tag => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', "'": '&#39;', '"': '&quot;' }[tag] || tag) );
escapeHTML('<a href="#">Me & you</a>'); // '&lt;a href=&quot;#&quot;&gt;Me &amp; you&lt;/a&gt;'

javascript snippet similar to escapeHTML For You in February 2023

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