?? HTML Entity Encoder/Decoder

Convert special characters to HTML entities and decode them back

Common HTML Entities Reference
${[['&','&'],['<','<'],['>','>'],['"','"'],[''',"'"],[' ',' '],['©','?'],['®','?'],['™','?'],['€','?'],['£','?'],['¥','?']].map(([e,c])=>`
${e}${c}
`).join('')}