{"id":1881,"date":"2013-08-26T03:17:01","date_gmt":"2013-08-26T03:17:01","guid":{"rendered":"http:\/\/www.garysieling.com\/blog\/?p=1881"},"modified":"2013-08-26T03:17:01","modified_gmt":"2013-08-26T03:17:01","slug":"fixing-the-error-typeerror-undefined-is-not-a-function-evaluating-globalscopeconsolelog-bindglobalscopeconsole","status":"publish","type":"post","link":"https:\/\/www.garysieling.com\/blog\/fixing-the-error-typeerror-undefined-is-not-a-function-evaluating-globalscopeconsolelog-bindglobalscopeconsole\/","title":{"rendered":"Fixing the error “TypeError: ‘undefined’ is not a function (evaluating ‘globalScope[‘console’][‘log’].bind(globalScope[‘console’])’)”"},"content":{"rendered":"

Some libraries, like PDF.js, initialize their own logging function, which wraps console.log1<\/a><\/sup>. If this runs in a context where function.bind does not exist, you’ll get the following error:<\/p>\n

TypeError: 'undefined' is not a function \n(evaluating 'globalScope['console']['log'].\nbind(globalScope['console'])')<\/pre>\n
Fixing this is actually quite simple- Mozilla provides a replacement function2<\/a><\/sup> you can drop-in (not surprising, considering how close the behavior of bind is to call and apply).<\/p>\n
Simply drop this code in, and you should be good to go for any environment.<\/p>\n
if (!Function.prototype.bind) {\n  Function.prototype.bind = function (oThis) {\n    if (typeof this !== \"function\") {\n      \/\/ closest thing possible to the ECMAScript 5 internal IsCallable function\n      throw new TypeError(\n        \"Function.prototype.bind - what is trying to be bound is not callable\");\n    }\n\n    var aArgs = Array.prototype.slice.call(arguments, 1), \n        fToBind = this, \n        fNOP = function () {},\n        fBound = function () {\n          return fToBind.apply(this instanceof fNOP && oThis\n            ? this\n            : oThis,\n            aArgs.concat(Array.prototype.slice.call(arguments)));\n        };\n\n    fNOP.prototype = this.prototype;\n    fBound.prototype = new fNOP();\n\n    return fBound;\n  };\n}<\/pre>\n
  1. https:\/\/github.com\/thoughtbot\/capybara-webkit\/issues\/459 [↩<\/a>]<\/span><\/li>
  2. https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/Function\/bind [↩<\/a>]<\/span><\/li><\/ol>","protected":false},"excerpt":{"rendered":"
    Some libraries, like PDF.js, initialize their own logging function, which wraps console.log1. If this runs in a context where function.bind does not exist, you’ll get the following error: TypeError: ‘undefined’ is not a function (evaluating ‘globalScope[‘console’][‘log’]. bind(globalScope[‘console’])’) Fixing this is actually quite simple- Mozilla provides a replacement function2 you can drop-in (not surprising, considering how … <\/p>\n
    Continue reading “Fixing the error “TypeError: ‘undefined’ is not a function (evaluating ‘globalScope[‘console’][‘log’].bind(globalScope[‘console’])’)””<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[13],"tags":[302,418,426,591],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t