X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/72836ec95a52eacbda4dc5aa296b7dd6de08bd3b..b22765f41bf0b2021b9beb9120ee0ac91fa89292:/wp-admin/js/password-strength-meter.js

diff --git a/wp-admin/js/password-strength-meter.js b/wp-admin/js/password-strength-meter.js
index 9ddee476..efd26bbc 100644
--- a/wp-admin/js/password-strength-meter.js
+++ b/wp-admin/js/password-strength-meter.js
@@ -1,3 +1,4 @@
+/* global zxcvbn */
 window.wp = window.wp || {};
 
 var passwordStrength;
@@ -17,6 +18,11 @@ var passwordStrength;
 			if (password1 != password2 && password2 && password2.length > 0)
 				return 5;
 
+			if ( 'undefined' === typeof window.zxcvbn ) {
+				// Password strength unknown.
+				return -1;
+			}
+
 			var result = zxcvbn( password1, blacklist );
 			return result.score;
 		},
@@ -40,7 +46,7 @@ var passwordStrength;
 			for ( i = 0; i < userInputFieldsLength; i++ ) {
 				currentField = $( '#' + userInputFields[ i ] );
 
-				if ( 0 == currentField.length ) {
+				if ( 0 === currentField.length ) {
 					continue;
 				}
 
@@ -58,7 +64,7 @@ var passwordStrength;
 
 			// Remove empty values, short words, and duplicates. Short words are likely to cause many false positives.
 			blacklist = $.grep( blacklist, function( value, key ) {
-				if ( '' == value || 4 > value.length ) {
+				if ( '' === value || 4 > value.length ) {
 					return false;
 				}
 
@@ -67,8 +73,8 @@ var passwordStrength;
 
 			return blacklist;
 		}
-	}
+	};
 
-	// Backwards compatibility.
+	// Back-compat.
 	passwordStrength = wp.passwordStrength.meter;
-})(jQuery);
\ No newline at end of file
+})(jQuery);