override print() by default, to avoid errors when using the browser print() (print to printer) if it hasn't been overridden. Overriding is now possible through Module.print

1 files changed, 4 insertions, 5 deletions

diff --git a/src/shell.js b/src/shell.js
index 850dfd81..d67cc45a 100644
--- a/src/shell.js
+++ b/src/shell.js
@@ -44,11 +44,7 @@ if (ENVIRONMENT_IS_NODE) {
   }
 
 } else if (ENVIRONMENT_IS_WEB) {
-  // Warning: We do not override print here, so that you can define it before
-  //          this code runs. However, if you do not define it and it is actually
-  //          called, it will try to print to a printer, and/or give odd errors.
-
-  printErr = function(x) {
+  print = printErr = function(x) {
     console.log(x);
   };
 
@@ -99,6 +95,9 @@ try {
 if (!Module.arguments) {
   Module.arguments = arguments_;
 }
+if (Module.print) {
+  print = Module.print;
+}
 
   {{BODY}}