Question

How can I convert special characters to HTML in JavaScript?

Example:

• & (ampersand) becomes &amp.
• " (double quote) becomes &quot when ENT_NOQUOTES is not set.
• ' (single quote) becomes &#039 only when ENT_QUOTES is set.
• < (less than) becomes &lt.
• > (greater than) becomes &gt.

Answer 1

You need a function that does something like

return mystring.replace(/&/g, '&amp;').replace(/>/g, '&gt;').replace(/</g, '&lt;').replace(/'/g, '&quot;'); 

But taking into account your desire for different handling of single/double quotes.