Prism.languages.jsonp = Prism.languages.extend('json', { 'punctuation': /[{}[\]();,.]/ }); Prism.languages.insertBefore('jsonp', 'punctuation', { 'function': /[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*\()/ });