Prism.languages.javascript = Prism.languages.extend('clike', { 'keyword': /\b(as|async|await|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|var|void|while|with|yield)\b/, 'number': /\b-?(0x[\dA-Fa-f]+|0b[01]+|0o[0-7]+|\d*\.?\d+([Ee][+-]?\d+)?|NaN|Infinity)\b/, // Allow for all non-ASCII characters (See http://stackoverflow.com/a/2008444) 'function': /[_$a-zA-Z\xA0-\uFFFF][_$a-zA-Z0-9\xA0-\uFFFF]*(?=\()/i }); Prism.languages.insertBefore('javascript', 'keyword', { 'regex': { pattern: /(^|[^/])\/(?!\/)(\[.+?]|\\.|[^/\\\r\n])+\/[gimyu]{0,5}(?=\s*($|[\r\n,.;})]))/, lookbehind: true } }); Prism.languages.insertBefore('javascript', 'class-name', { 'template-string': { pattern: /`(?:\\`|\\?[^`])*`/, inside: { 'interpolation': { pattern: /\$\{[^}]+\}/, inside: { 'interpolation-punctuation': { pattern: /^\$\{|\}$/, alias: 'punctuation' }, rest: Prism.languages.javascript } }, 'string': /[\s\S]+/ } } }); if (Prism.languages.markup) { Prism.languages.insertBefore('markup', 'tag', { 'script': { pattern: /()[\w\W]*?(?=<\/script>)/i, lookbehind: true, inside: Prism.languages.javascript, alias: 'language-javascript' } }); } Prism.languages.js = Prism.languages.javascript;