Implement 'error' callback for Dynamically loaded javascript file -


i loading javascript dynamically , accessing variable. checked second answer question , following code works beautifully. 

include = function (url, fn) {     var e = document.createelement("script");     e.onload = fn;     e.src = url;     e.async=true;     document.getelementsbytagname("head")[0].appendchild(e); };  include("test.js",function(){     console.log(foo); });

question: want have onfailure callback function allows me process code in case

  • the internet down.
  • the filename not accessible (eg: incorrect path)

will appreciate if can guide me right direction. thanks

the mdn page htmlscriptelement has a example can build off.

function loaderror (oerror) {   throw new urierror("the script " + oerror.target.src + " not accessible."); }  function importscript (ssrc, fonload) {   var oscript = document.createelement("script");   oscript.type = "text\/javascript";   oscript.onerror = loaderror;   if (fonload) { oscript.onload = fonload; }   document.currentscript.parentnode.insertbefore(oscript, document.currentscript);   oscript.src = ssrc; }

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