Fix JSHint errors in three files.

props tommcfarlin.
fixes #25942, #25943, #25944.


git-svn-id: https://develop.svn.wordpress.org/trunk@26232 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/js/dashboard.js

@@ -1,4 +1,4 @@
-/* global pagenow */
+/* global pagenow, ajaxurl, postboxes, wpActiveEditor:true */
 var ajaxWidgets, ajaxPopulateWidgets, quickPressLoad;
 
 jQuery(document).ready( function($) {
@@ -13,8 +13,9 @@ jQuery(document).ready( function($) {
 			});
 		};
 
-	if ( welcomePanel.hasClass('hidden') && welcomePanelHide.prop('checked') )
+	if ( welcomePanel.hasClass('hidden') && welcomePanelHide.prop('checked') ) {
 		welcomePanel.removeClass('hidden');
+	}
 
 	$('.welcome-panel-close, .welcome-panel-dismiss a', welcomePanel).click( function(e) {
 		e.preventDefault();
@@ -48,8 +49,9 @@ jQuery(document).ready( function($) {
 
 		if ( el ) {
 			el = el.toString();
-			if ( $.inArray(el, ajaxWidgets) != -1 )
+			if ( $.inArray(el, ajaxWidgets) !== -1 ) {
 				show(0, el);
+			}
 		} else {
 			$.each( ajaxWidgets, show );
 		}
@@ -90,8 +92,9 @@ jQuery(document).ready( function($) {
 		$('#title, #tags-input, #content').each( function() {
 			var input = $(this), prompt = $('#' + this.id + '-prompt-text');
 
-			if ( '' === this.value )
+			if ( '' === this.value ) {
 				prompt.removeClass('screen-reader-text');
+			}
 
 			prompt.click( function() {
 				$(this).addClass('screen-reader-text');
@@ -99,8 +102,9 @@ jQuery(document).ready( function($) {
 			});
 
 			input.blur( function() {
-				if ( '' === this.value )
+				if ( '' === this.value ) {
 					prompt.removeClass('screen-reader-text');
+				}
 			});
 
 			input.focus( function() {
@@ -109,8 +113,8 @@ jQuery(document).ready( function($) {
 		});
 
 		$('#quick-press').on( 'click focusin', function() {
-			$(this).addClass("quickpress-open");
+			$(this).addClass('quickpress-open');
-			$("#description-wrap, p.submit").slideDown(200);
+			$('#description-wrap, p.submit').slideDown(200);
 			wpActiveEditor = 'content';
 		});
 	};
@@ -120,10 +124,10 @@ jQuery(document).ready( function($) {
 	$( '.show-more a' ).on( 'click', function(e) {
 		$( this ).fadeOut().closest('.activity-block').find( 'li.hidden' ).fadeIn().removeClass( 'hidden' );
 		e.preventDefault();
-	})
+	});
 
 	// Dashboard columns
-	jQuery(document).ready(function ($) {
+	jQuery(document).ready(function () {
 		// Update main column count on load
 		updateColumnCount();
 	});
@@ -134,13 +138,19 @@ jQuery(document).ready( function($) {
 
 	function updateColumnCount() {
 		var cols = 1,
-			windowWidth = parseInt(jQuery(window).width());
+			windowWidth = parseInt(jQuery(window).width(), 10);
-		if (799 < windowWidth && 1299 > windowWidth)
+
+		if (799 < windowWidth && 1299 > windowWidth) {
 			cols = 2;
-		if (1300 < windowWidth && 1799 > windowWidth)
+		}
+
+		if (1300 < windowWidth && 1799 > windowWidth) {
 			cols = 3;
-		if (1800 < windowWidth)
+		}
+
+		if (1800 < windowWidth) {
 			cols = 4;
+		}
 		jQuery('.metabox-holder').attr('class', jQuery('.metabox-holder').attr('class').replace(/columns-\d+/, 'columns-' + cols));
 	}
 

src/wp-admin/js/media-gallery.js

@@ -1,3 +1,4 @@
+/* global ajaxurl */
 jQuery(function($){
 	$( 'body' ).bind( 'click.wp-gallery', function(e){
 		var target = $( e.target ), id, img_size;

src/wp-admin/js/theme-preview.js

@@ -1,4 +1,4 @@
-
+/* global tb_click */
 var thickDims, tbWidth, tbHeight;
 jQuery(document).ready(function($) {
 
@@ -12,28 +12,31 @@ jQuery(document).ready(function($) {
 			tbWindow.width(w).height(h);
 			$('#TB_iframeContent').width(w).height(h - 27);
 			tbWindow.css({'margin-left': '-' + parseInt((w / 2),10) + 'px'});
-			if ( typeof document.body.style.maxWidth != 'undefined' )
+			if ( typeof document.body.style.maxWidth !== 'undefined' ) {
 				tbWindow.css({'top':'30px','margin-top':'0'});
 			}
+		}
 	};
 
 	thickDims();
-	$(window).resize( function() { thickDims() } );
+	$(window).resize( function() { thickDims(); } );
 
 	$('a.thickbox-preview').click( function() {
 		tb_click.call(this);
 
 		var alink = $(this).parents('.available-theme').find('.activatelink'), link = '', href = $(this).attr('href'), url, text;
 
-		if ( tbWidth = href.match(/&tbWidth=[0-9]+/) )
+		if ( tbWidth = href.match(/&tbWidth=[0-9]+/) ) {
 			tbWidth = parseInt(tbWidth[0].replace(/[^0-9]+/g, ''), 10);
-		else
+		} else {
 			tbWidth = $(window).width() - 90;
+		}
 
-		if ( tbHeight = href.match(/&tbHeight=[0-9]+/) )
+		if ( tbHeight = href.match(/&tbHeight=[0-9]+/) ) {
 			tbHeight = parseInt(tbHeight[0].replace(/[^0-9]+/g, ''), 10);
-		else
+		} else {
 			tbHeight = $(window).height() - 60;
+		}
 
 		if ( alink.length ) {
 			url = alink.attr('href') || '';