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-rw-r--r--pygments/lexers/javascript.py13
1 files changed, 8 insertions, 5 deletions
diff --git a/pygments/lexers/javascript.py b/pygments/lexers/javascript.py
index 335af320..14b51ebb 100644
--- a/pygments/lexers/javascript.py
+++ b/pygments/lexers/javascript.py
@@ -64,11 +64,14 @@ class JavascriptLexer(RegexLexer):
(r'\A#! ?/.*?\n', Comment.Hashbang), # recognized by node.js
(r'^(?=\s|/|<!--)', Text, 'slashstartsregex'),
include('commentsandwhitespace'),
- (r'(\.\d+|[0-9]+\.[0-9]*)([eE][-+]?[0-9]+)?', Number.Float),
- (r'0[bB][01]+', Number.Bin),
- (r'0[oO][0-7]+', Number.Oct),
- (r'0[xX][0-9a-fA-F]+', Number.Hex),
- (r'[0-9]+', Number.Integer),
+
+ # Numeric literals
+ (r'0[bB][01]+n?', Number.Bin),
+ (r'0[oO]?[0-7]+n?', Number.Oct), # Browsers support "0o7" and "07" notations
+ (r'0[xX][0-9a-fA-F]+n?', Number.Hex),
+ (r'[0-9]+n', Number.Integer), # Javascript BigInt requires an "n" postfix
+ (r'(\.[0-9]+|[0-9]+\.[0-9]*|[0-9]+)([eE][-+]?[0-9]+)?', Number.Float),
+
(r'\.\.\.|=>', Punctuation),
(r'\+\+|--|~|&&|\?|:|\|\||\\(?=\n)|'
r'(<<|>>>?|==?|!=?|[-<>+*%&|^/])=?', Operator, 'slashstartsregex'),