Do not call window.onload function from load event listener

This causes the onload function to run twice, which breaks some websites. Fixes #420
mozilla · May 29, 2019 · 9d0970f · 9d0970f
1 parent 2d3f379
commit 9d0970f
Showing 1 changed file with 0 additions and 5 deletions.
diff --git a/src/content_script.js b/src/content_script.js
@@ -546,12 +546,7 @@ async function CheckIfURLShouldBeBlocked() {
 
 // Cross-browser implementation of element.addEventListener()
 function addPassiveWindowOnloadListener() {
-  const activeOnloadFunction = window.onload;
   window.addEventListener("load", function() {
-  // window.onload = function () {
-    if (typeof activeOnloadFunction === "function") {
-      activeOnloadFunction();
-    }
     CheckIfURLShouldBeBlocked();
   }, false);
 }