A small class to encode and decode the most common HTML entities in a given string.
The class takes great care to ensure that the characters are encoded and decoded in the correct order to avoid character duplication.
See it in action on JsFiddle
var text = '"&\'<> ¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖרÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿŒœŠšŸƒˆ˜ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩαβγδεζηθικλμνξοπρςστυφχψωϑϒϖ–—‘’‚“”„†‡•…‰′″‹›‾⁄€ℑ℘ℜ™ℵ←↑→↓↔↵⇐⇑⇒⇓⇔∀∂∃∅∇∈∉∋∏∑−∗√∝∞∠∧∨∩∪∫∴∼≅≈≠≡≤≥⊂⊃⊄⊆⊇⊕⊗⊥⋅⌈⌉⌊⌋⟨⟩◊♠♣♥♦';
var encoded = HtmlEntities.encode(text);
var decoded = HtmlEntities.dencode(encoded);
// Get the character and entity map
var map = HtmlEntities.map;
The current entity reference is here: elizabethcastro.com. Although I'm not sure when, it would be preferred to update to use W3C.
However, the most common entities are addressed.