Make sure no client side errors are thrown on Appearance > Customize pages.

mattijsvandruenen · mattijsvandruenen · commit caae066d4591 · 2016-03-08T11:40:36.000+01:00
diff --git a/src/scripts/admin.js b/src/scripts/admin.js
@@ -137,7 +137,7 @@
     bulk_compress_item(items, 0)
   }
 
-  if (adminpage === "upload-php") {
+  if (typeof adminpage !== "undefined" && adminpage === "upload-php") {
     if (typeof jQuery.fn.on === "function") {
       jQuery('table').on('click', 'button.tiny-compress', compress_image)
     } else {
@@ -154,7 +154,7 @@
     jQuery('<option>').val('tiny_bulk_compress').text(tinyCompress.L10nBulkAction).appendTo('select[name="action2"]')
   }
 
-  if (adminpage === "options-media-php") {
+  if (typeof adminpage !== "undefined" && adminpage === "options-media-php") {
     jQuery('#tiny-compress-status').load(ajaxurl + '?action=tiny_compress_status')
     jQuery('#tiny-compress-savings').load(ajaxurl + '?action=tiny_compress_savings')
 

Original file line number	Diff line number	Diff line change
`@@ -137,7 +137,7 @@`
`137`	`137`	`bulk_compress_item(items, 0)`
`138`	`138`	`}`
`139`	`139`
`140`		`- if (adminpage === "upload-php") {`
	`140`	`+ if (typeof adminpage !== "undefined" && adminpage === "upload-php") {`
`141`	`141`	`if (typeof jQuery.fn.on === "function") {`
`142`	`142`	`jQuery('table').on('click', 'button.tiny-compress', compress_image)`
`143`	`143`	`} else {`
`@@ -154,7 +154,7 @@`
`154`	`154`	`jQuery('<option>').val('tiny_bulk_compress').text(tinyCompress.L10nBulkAction).appendTo('select[name="action2"]')`
`155`	`155`	`}`
`156`	`156`
`157`		`- if (adminpage === "options-media-php") {`
	`157`	`+ if (typeof adminpage !== "undefined" && adminpage === "options-media-php") {`
`158`	`158`	`jQuery('#tiny-compress-status').load(ajaxurl + '?action=tiny_compress_status')`
`159`	`159`	`jQuery('#tiny-compress-savings').load(ajaxurl + '?action=tiny_compress_savings')`
`160`	`160`