Ticket #33398: 33398.1.diff

src/wp-admin/js/user-profile.js

@@ -15 +15 @@
                 $toggleButton,
                 $submitButtons,
                 $submitButton,
-                currentPass;
+                currentPass,
+
+                inputEvent;
+
+        /**
+         * Detect whether password inputs should use the keyup
+         * or input event. Input is preferred but lacking support
+         * in legacy browsers.
+         *
+         * @ticket 33398
+         */
+        if ( 'oninput' in document.createElement('input') ) {
+                inputEvent = 'input';
+        }
+        else {
+                inputEvent = 'keyup';
+        }
 
         function generatePassword() {
                 if ( typeof zxcvbn !== 'function' ) {
@@ -47 +63 @@
                         .addClass( $pass1[0].className )
                         .data( 'pw', $pass1.data( 'pw' ) )
                         .val( $pass1.val() )
-                        .on( 'keyup', function () {
+                        .on( inputEvent, function () {
                                 if ( $pass1Text.val() === currentPass ) {
                                         return;
                                 }
@@ -62 +78 @@
                         generatePassword();
                 }
 
-                $pass1.on( 'keyup pwupdate', function () {
+                $pass1.on( inputEvent + ' pwupdate', function () {
                         if ( $pass1.val() === currentPass ) {
                                 return;
                         }
@@ -165 +181 @@
                  * This fixes the issue by copying any changes from the hidden
                  * pass2 field to the pass1 field, then running check_pass_strength.
                  */
-                $pass2 = $('#pass2').on( 'keyup', function () {
+                $pass2 = $('#pass2').on( inputEvent, function () {
                         if ( $pass2.val().length > 0 ) {
                                 $pass1.val( $pass2.val() );
                                 $pass2.val('');
@@ -246 +262 @@
                 var $colorpicker, $stylesheet, user_id, current_user_id,
                         select = $( '#display_name' );
 
-                $('#pass1').val('').on( 'keyup pwupdate', check_pass_strength );
+                $('#pass1').val('').on( inputEvent + ' pwupdate', check_pass_strength );
                 $('#pass-strength-result').show();
                 $('.color-palette').click( function() {
                         $(this).siblings('input[name="admin_color"]').prop('checked', true);