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Diffstat (limited to 'src/library_browser.js')
| -rw-r--r-- | src/library_browser.js | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/library_browser.js b/src/library_browser.js index 300f0b3b..09f8b96c 100644 --- a/src/library_browser.js +++ b/src/library_browser.js @@ -47,6 +47,7 @@ mergeInto(LibraryManager.library, { case 'function': { wrapper[prop] = function() { var printArgs = Array.prototype.slice.call(arguments).map(function(arg) { + if (typeof arg == 'undefined') return '!UNDEFINED!'; if (!arg) return arg; if (wrapper.objectMap[arg]) return '<' + arg + '|' + wrapper.objectMap[arg] + '>'; if (arg.toString() == '[object HTMLImageElement]') { |