To encode HTML entities in JavaScript, we can use the string replace and charCodeAt methods.
For instance, we write
const encodedStr = rawStr.replace(/[\u00A0-\u9999<>\&]/g, (i) => {
return "&#" + i.charCodeAt(0) + ";";
});
to call replace with a regex pattern that we want to look for in rawStr and a callback does the replacement.
In the callback, we get each result and replace them with the HTML entity with the character code that we get with i.charCodeAt(0).
We prepend "&#" and append ';' to the character code to form the entity.
Conclusion
To encode HTML entities in JavaScript, we can use the string replace and charCodeAt methods.
