Make error-sending code slightly more robust?

1 files changed, 10 insertions, 4 deletions

diff --git a/modules/zelfoverhoor/docent.js b/modules/zelfoverhoor/docent.js
index b44d4b6..1c738b2 100644
--- a/modules/zelfoverhoor/docent.js
+++ b/modules/zelfoverhoor/docent.js
@@ -1,8 +1,14 @@
 window.addEventListener("error",function(err){
-	var str=err.filename+":"+err.lineno+" "+err.error+": "+err.message;
-	var xhr=new XMLHttpRequest();
-	xhr.open("POST","/zelfoverhoor/error");
-	xhr.send(str);
+	try {
+		var str="("+err+") "+err.filename+":"+err.lineno+" "+err.error+": "+err.message;
+		var xhr=new XMLHttpRequest();
+		xhr.responseType="text";
+		xhr.open("POST","/zelfoverhoor/error");
+		xhr.setRequestHeader("Content-Type", "text/plain");
+		xhr.send(str);
+	} catch(e){
+		console.log("Error sending error:", e);
+	}
 });
 
 window.onbeforeunload=function(ev){