refactor for..of to reduce array instead

lvanwenhai · Jun 7, 2019 · 3b751a6 · 3b751a6
1 parent d9168b1
commit 3b751a6
Showing 1 changed file with 6 additions and 5 deletions.
diff --git a/src/js/print.js b/src/js/print.js
@@ -68,11 +68,12 @@ function performPrint (iframeElement, params) {
 }
 
 function loadIframeImages (images) {
-  const promises = []
-
-  for (let image of images) {
-    if (image.src && image.src !== window.location.href) promises.push(loadIframeImage(image))
-  }
+  const promises = Array.prototype.slice.call(images).reduce((memo, image) => {
+      if (image.src && image.src !== window.location.href) {
+          memo.push(loadIframeImage(image));
+      }
+      return memo;
+  }, []);
 
   return Promise.all(promises)
 }