text: jQuery( document ).ready( function() {
  
  	/* ====== Delete Role Link (on Roles and Edit Role screens) ====== */
  
  	// When the delete role link is clicked, give a "AYS?" popup to confirm.
  	jQuery( '.members-delete-role-link' ).click(
  		function() {
  			return window.confirm( members_i18n.ays_delete_role );
  		}
  	);
  
  	/* ====== Role Name and Slug ====== */
  
  	/**
  	 * Takes the given text and copies it to the role slug `<span>` after sanitizing it
  	 * as a role.
  	 *
  	 * @since  1.0.0
  	 * @access public
  	 * @param  string  $slug
  	 * @return void
  	 */
  	function members_print_role_slug( slug ) {
  
  		// Sanitize the role.
  		slug = slug.toLowerCase().trim().replace( /<.*?>/g, '' ).replace( /\s/g, '_' ).replace( /[^a-zA-Z0-9_]/g, '' );
  
  		// Add the text.
  		jQuery( '.role-slug' ).text( slug );
  	}
  
  	// Check the role name input box for key presses.
  	jQuery( 'input[name="role_name"]' ).keyup(
  		function() {
  
  			// If there's no value stored in the role input box, print this input's
  			// value in the role slug span.
  			if ( ! jQuery( 'input[name="role"]' ).val() )
  				members_print_role_slug( this.value );
  		}
  	); // .keyup
  
  	// Hide the role input box and role OK button.
  	jQuery( 'input[name="role"], .role-ok-button' ).hide();
  
  	// When the role edit button is clicked.
  	jQuery( document ).on( 'click', '.role-edit-button.closed',
  		function() {
  
  			// Toggle the button class and change the text.
  			jQuery( this ).removeClass( 'closed' ).addClass( 'open' ).text( members_i18n.button_role_ok );
  
  			// Show role input.
  			jQuery( 'input[name="role"]' ).show();
  
  			// Focus on the role input.
  			jQuery( 'input[name="role"]' ).trigger( 'focus' );
  
  			// Copy the role slug to the role input edit value.
  			jQuery( 'input[name="role"]' ).attr( 'value', jQuery( '.role-slug' ).text() );
  		}
  	);
  
  	// When the role OK button is pressed.
  	jQuery( document ).on( 'click', '.role-edit-button.open',
  		function() {
  
  			// Toggle the button class and change the text.
  			jQuery( this ).removeClass( 'open' ).addClass( 'closed' ).text( members_i18n.button_role_edit );
  
  			// Hide role input.
  			jQuery( 'input[name="role"]' ).hide();
  
  			// Get the role input value.
  			var role = jQuery( 'input[name="role"]' ).val();
  
  			// If we have a value, print the slug.
  			if ( role )
  				members_print_role_slug( role );
  
  			// Else, use the role name input value.
  			else
  				members_print_role_slug( jQuery( 'input[name="role_name"]' ).val() );
  		}
  	); // .click()
  
  	// Simulate clicking the OK button if the user presses "Enter" in the role field.
  	jQuery( 'input[name="role"]' ).keypress(
  		function( e ) {
  
  			// 13 is the key code for "Enter".
  			if ( 13 === e.keyCode ) {
  
  				// Click the edit role button and trigger a focus.
  				jQuery( '.role-edit-button' ).click().trigger( 'focus' );
  
  				// Prevent default behavior and return false.
  				e.preventDefault();
  				return false;
  			}
  		}
  	); // .keypress()
  
  	// Hide the add new role button if we don't at least have a role name.
  	if ( ! jQuery( '.users_page_role-new input[name="role_name"]' ).val() )
  		jQuery( '.users_page_role-new #publish' ).prop( 'disabled', true );
  
  	// Look for changes to the role name input.
  	jQuery( '.users_page_role-new input[name="role_name"]' ).on( 'input',
  		function() {
  
  			// If there's a role name, enable the add new role button.
  			if ( jQuery( this ).val() )
  				jQuery( '.users_page_role-new #publish' ).prop( 'disabled', false );
  
  			// Else, disable the button.
  			else
  				jQuery( '.users_page_role-new #publish' ).prop( 'disabled', true );
  		}
  	);
  
  	/* ====== Tab Sections and Controls ====== */
  
  	// Create Underscore templates.
  	var section_template = wp.template( 'members-cap-section' );
  	var control_template = wp.template( 'members-cap-control' );
  
  	// Check that the `members_sections` and `members_controls` variables were
  	// passed in via `wp_localize_script()`.
  	if ( typeof members_sections !== 'undefined' && typeof members_controls !== 'undefined' ) {
  
  		// Loop through the sections and append the template for each.
  		_.each( members_sections, function( data ) {
  			jQuery( '.members-tab-wrap' ).append( section_template( data ) );
  		} );
  
  		// Loop through the controls and append the template for each.
  		_.each( members_controls, function( data ) {
  			jQuery( '#members-tab-' + data.section + ' tbody' ).append( control_template( data ) );
  		} );
  	}
  
  	/* ====== Tabs ====== */
  
  	// Hides the tab content.
  	jQuery( '.members-cap-tabs .members-tab-content' ).hide();
  
  	// Shows the first tab's content.
  	jQuery( '.members-cap-tabs .members-tab-content:first-child' ).show();
  
  	// Makes the 'aria-selected' attribute true for the first tab nav item.
  	jQuery( '.members-tab-nav :first-child' ).attr( 'aria-selected', 'true' );
  
  	// Copies the current tab item title to the box header.
  	jQuery( '.members-which-tab' ).text( jQuery( '.members-tab-nav :first-child a' ).text() );
  
  	// When a tab nav item is clicked.
  	jQuery( '.members-tab-nav li a' ).click(
  		function( j ) {
  
  			// Prevent the default browser action when a link is clicked.
  			j.preventDefault();
  
  			// Get the `href` attribute of the item.
  			var href = jQuery( this ).attr( 'href' );
  
  			// Hide all tab content.
  			jQuery( this ).parents( '.members-cap-tabs' ).find( '.members-tab-content' ).hide();
  
  			// Find the tab content that matches the tab nav item and show it.
  			jQuery( this ).parents( '.members-cap-tabs' ).find( href ).show();
  
  			// Set the `aria-selected` attribute to false for all tab nav items.
  			jQuery( this ).parents( '.members-cap-tabs' ).find( '.members-tab-title' ).attr( 'aria-selected', 'false' );
  
  			// Set the `aria-selected` attribute to true for this tab nav item.
  			jQuery( this ).parent().attr( 'aria-selected', 'true' );
  
  			// Copy the current tab item title to the box header.
  			jQuery( '.members-which-tab' ).text( jQuery( this ).text() );
  		}
  	); // click()
  
  	/* ====== Capability Checkboxes (inside tab content) ====== */
  
  	/**
  	 * Counts the number of granted and denied capabilities that are checked and updates
  	 * the count in the submit role meta box.
  	 *
  	 * @since  1.0.0
  	 * @access public
  	 * @return void
  	 */
  	function members_count_caps() {
  
  		// Count the granted and denied caps that are checked.
  		var granted_count = jQuery( "#members-tab-all input[data-grant-cap]:checked" ).length;
  		var denied_count  = jQuery( "#members-tab-all input[data-deny-cap]:checked" ).length;
  
  		// Count the new (added from new cap meta box) granted and denied caps that are checked.
  		var new_granted_count = jQuery( '#members-tab-custom input[name="grant-new-caps[]"]:checked' ).length;
  		var new_denied_count  = jQuery( '#members-tab-custom input[name="deny-new-caps[]"]:checked' ).length;
  
  		// Update the submit meta box cap count.
  		jQuery( '#submitdiv .granted-count' ).text( granted_count + new_granted_count );
  		jQuery( '#submitdiv .denied-count' ).text( denied_count + new_denied_count );
  	}
  
  	/**
  	 * When a grant/deny checkbox has a change, this function makes sure that any duplicates
  	 * also receive that change.  It also unchecks the grant/deny opposite checkbox if needed.
  	 *
  	 * @since  1.0.0
  	 * @access public
  	 * @param  object  $checkbox
  	 * @return void
  	 */
  	function members_check_uncheck( checkbox ) {
  
  		var type     = 'grant';
  		var opposite = 'deny';
  
  		// If this is a deny checkbox.
  		if ( jQuery( checkbox ).attr( 'data-deny-cap' ) ) {
  
  			type     = 'deny';
  			opposite = 'grant';
  		}
  
  		// Get the capability for this checkbox.
  		var cap = jQuery( checkbox ).attr( 'data-' + type + '-cap' );
  
  		// If the checkbox is checked.
  		if ( jQuery( checkbox ).prop( 'checked' ) ) {
  
  			// Check any duplicate checkboxes.
  			jQuery( 'input[data-' + type + '-cap="' + cap + '"]' ).not( checkbox ).prop( 'checked', true );
  
  			// Uncheck any deny checkboxes with the same cap.
  			jQuery( 'input[data-' + opposite + '-cap="' + cap + '"]' ).prop( 'checked', false );
  
  		// If the checkbox is not checked.
  		} else {
  
  			// Uncheck any duplicate checkboxes.
  			jQuery( 'input[data-' + type + '-cap="' + cap + '"]' ).not( checkbox ).prop( 'checked', false );
  		}
  	}
  
  	// Count the granted and denied caps that are checked.
  	members_count_caps();
  
  	// When a change is triggered for any grant/deny checkbox. Note that we're using `.on()`
  	// here because we're dealing with dynamically-generated HTML.
  	jQuery( document ).on( 'change',
  		'.members-cap-checklist input[data-grant-cap], .members-cap-checklist input[data-deny-cap]',
  		function() {
  
  			// Check/Uncheck boxes.
  			members_check_uncheck( this );
  
  			// Count the granted and denied caps that are checked.
  			members_count_caps();
  		}
  	); // .on( 'change' )
  
  	// When a cap button is clicked. Note that we're using `.on()` here because we're dealing
  	// with dynamically-generated HTML.
  	//
  	// Note that we only need to trigger `change()` once for our functionality.
  	jQuery( document ).on( 'click', '.editable-role .members-cap-checklist button',
  		function() {
  
  			// Get the button parent element.
  			var parent = jQuery( this ).closest( '.members-cap-checklist' );
  
  			// Find the grant and deny checkbox inputs.
  			var grant = jQuery( parent ).find( 'input[data-grant-cap]' );
  			var deny  = jQuery( parent ).find( 'input[data-deny-cap]' );
  
  			// If the grant checkbox is checked.
  			if ( jQuery( grant ).prop( 'checked' ) ) {
  
  				jQuery( grant ).prop( 'checked', false );
  				jQuery( deny ).prop( 'checked', true ).change();
  
  			// If the deny checkbox is checked.
  			} else if ( jQuery( deny ).prop( 'checked' ) ) {
  
  				jQuery( grant ).prop( 'checked', false );
  				jQuery( deny ).prop( 'checked', false ).change();
  
  			// If neither checkbox is checked.
  			} else {
  
  				jQuery( grant ).prop( 'checked', true ).change();
  			}
  		}
  	); // on()
  
  	// Remove focus from button when hovering another button.
  	jQuery( document ).on( 'hover', '.editable-role .members-cap-checklist button',
  		function() {
  			jQuery( '.members-cap-checklist button:focus' ).not( this ).blur();
  		}
  	);
  
  	/* ====== Meta Boxes ====== */
  
  	// Add the postbox toggle functionality.
  	// Note: `pagenow` is a global variable set by WordPress.
  	postboxes.add_postbox_toggles( pagenow );
  
  	/* ====== New Cap Meta Box ====== */
  
  	// Give the meta box toggle button a type of `button` so that it doesn't submit the form
  	// when we hit the "Enter" key in our input or toggle open/close the meta box.
  	jQuery( '#newcapdiv button.handlediv' ).attr( 'type', 'button' );
  
  	// Disable the new cap button so that it's not clicked until there's a cap.
  	jQuery( '#members-add-new-cap' ).prop( 'disabled', true );
  
  	// When the user starts typing a new cap.
  	jQuery( '#members-new-cap-field' ).on( 'input',
  		function() {
  
  			// If there's a value in the input, enable the add new button.
  			//if ( 'do_not_allow' !== jQuery( this ).val() ) {
  			if ( -1 === jQuery.inArray( jQuery( this ).val(), members_i18n.hidden_caps ) ) {
  
  				jQuery( '#members-add-new-cap' ).prop( 'disabled', false );
  
  			// If there's no value, disable the button.
  			} else {
  				jQuery( '#members-add-new-cap' ).prop( 'disabled', true );
  			}
  		}
  	); // .on( 'input' )
  
  	// Simulate clicking the add new cap button if the user presses "Enter" in the new cap field.
  	jQuery( '#members-new-cap-field' ).keypress(
  		function( e ) {
  
  			// 13 is the key code for "Enter".
  			if ( 13 === e.keyCode ) {
  				jQuery( '#members-add-new-cap' ).click();
  				e.preventDefault();
  				return false;
  			}
  		}
  	); // .keypress()
  
  	// When the new cap button is clicked.
  	jQuery( '#members-add-new-cap' ).click(
  		function() {
  
  			// Get the new cap value.
  			var new_cap = jQuery( '#members-new-cap-field' ).val();
  
  			// Sanitize the new cap.
  			// Note that this will be sanitized on the PHP side as well before save.
  			new_cap = new_cap.trim().replace( /<.*?>/g, '' ).replace( /\s/g, '_' ).replace( /[^a-zA-Z0-9_]/g, '' );
  
  			// If there's a new cap value.
  			if ( new_cap ) {
  
  				// Don't allow the 'do_not_allow' cap.
  				//if ( 'do_not_allow' === new_cap ) {
  				if ( -1 !== jQuery.inArray( jQuery( this ).val(), members_i18n.hidden_caps ) ) {
  					return;
  				}
  
  				// Trigger a click event on the "custom" tab in the edit caps box.
  				jQuery( 'a[href="#members-tab-custom"]' ).trigger( 'click' );
  
  				// Replace text placeholder with cap.
  				members_i18n.label_grant_cap = members_i18n.label_grant_cap.replace( /%s/g, '<code>' + new_cap + '</code>' );
  				members_i18n.label_deny_cap  = members_i18n.label_deny_cap.replace( /%s/g,  '<code>' + new_cap + '</code>' );
  
  				// Set up some data to pass to our Underscore template.
  				var data = {
  					cap            : new_cap,
  					readonly       : '',
  					name           : { grant : 'grant-new-caps[]', deny : 'deny-new-caps[]' },
  					is_granted_cap : true,
  					is_denied_cap  : false,
  					label          : { cap : new_cap, grant : members_i18n.label_grant_cap, deny : members_i18n.label_deny_cap }
  				};
  
  				// Prepend our template to the "custom" edit caps tab content.
  				jQuery( '#members-tab-custom tbody' ).prepend( control_template( data ) );
  
  				// Get the new cap table row.
  				var parent = jQuery( '[data-grant-cap="' + new_cap + '"]' ).parents( '.members-cap-checklist' );
  
  				// Add the highlight class.
  				jQuery( parent ).addClass( 'members-highlight' );
  
  				// Remove the class after a set time for a highlight effect.
  				setTimeout( function() {
  					jQuery( parent ).removeClass( 'members-highlight' );
  				}, 500 );
  
  				// Set the new cap input value to an empty string.
  				jQuery( '#members-new-cap-field' ).val( '' );
  
  				// Disable the add new cap button.
  				jQuery( '#members-add-new-cap' ).prop( 'disabled', true );
  
  				// Trigger a change on our new grant cap checkbox.
  				jQuery( '.members-cap-checklist input[data-grant-cap="' + new_cap + '"]' ).trigger( 'change' );
  			}
  		}
  	); // .click()
  
  } ); // ready()
  