Update iconSize.

src/bootstrap-table.js

@@ -950,14 +950,18 @@
         }
 
         if (this.options.showRefresh) {
-            html.push(sprintf('<button class="btn btn-default' + (this.options.iconSize === undefined ? '' : ' btn-' + this.options.iconSize) + '" type="button" name="refresh" title="%s">',
+            html.push(sprintf('<button class="btn btn-default' +
+                    sprintf(' btn-%s', this.options.iconSize) +
+                    '" type="button" name="refresh" title="%s">',
                     this.options.formatRefresh()),
                 sprintf('<i class="%s %s"></i>', this.options.iconsPrefix, this.options.icons.refresh),
                 '</button>');
         }
 
         if (this.options.showToggle) {
-            html.push(sprintf('<button class="btn btn-default' + (this.options.iconSize === undefined ? '' : ' btn-' + this.options.iconSize) + '" type="button" name="toggle" title="%s">',
+            html.push(sprintf('<button class="btn btn-default' +
+                    sprintf(' btn-%s', this.options.iconSize) +
+                    '" type="button" name="toggle" title="%s">',
                     this.options.formatToggle()),
                 sprintf('<i class="%s %s"></i>', this.options.iconsPrefix, this.options.icons.toggle),
                 '</button>');
@@ -966,7 +970,9 @@
         if (this.options.showColumns) {
             html.push(sprintf('<div class="keep-open btn-group" title="%s">',
                     this.options.formatColumns()),
-                '<button type="button" class="btn btn-default' + (this.options.iconSize == undefined ? '' : ' btn-' + this.options.iconSize) + ' dropdown-toggle" data-toggle="dropdown">',
+                '<button type="button" class="btn btn-default' +
+                sprintf(' btn-%s', this.options.iconSize) +
+                ' dropdown-toggle" data-toggle="dropdown">',
                 sprintf('<i class="%s %s"></i>', this.options.iconsPrefix, this.options.icons.columns),
                 ' <span class="caret"></span>',
                 '</button>',
@@ -1041,7 +1047,9 @@
             html = [];
             html.push(
                 '<div class="pull-' + this.options.searchAlign + ' search">',
-                sprintf('<input class="form-control' + (this.options.iconSize === undefined ? '' : ' input-' + this.options.iconSize) + '" type="text" placeholder="%s">',
+                sprintf('<input class="form-control' +
+                    sprintf(' input-%s', this.options.iconSize) +
+                    '" type="text" placeholder="%s">',
                     this.options.formatSearch()),
                 '</div>');
 
@@ -1194,7 +1202,7 @@
                         this.options.paginationVAlign === 'top' || this.options.paginationVAlign === 'both' ?
                             'dropdown' : 'dropup'),
                     '<button type="button" class="btn btn-default ' +
-                    (this.options.iconSize === undefined ? '' : ' btn-' + this.options.iconSize) +
+                    sprintf(' btn-%s', this.options.iconSize) +
                     ' dropdown-toggle" data-toggle="dropdown">',
                     '<span class="page-size">',
                     $allSelected ? this.options.formatAllRows() : this.options.pageSize,
@@ -1234,7 +1242,7 @@
 
             html.push('</div>',
                 '<div class="pull-' + this.options.paginationHAlign + ' pagination">',
-                '<ul class="pagination' + (this.options.iconSize === undefined ? '' : ' pagination-' + this.options.iconSize) + '">',
+                '<ul class="pagination' + sprintf(' pagination-%s', this.options.iconSize) + '">',
                 '<li class="page-first"><a href="javascript:void(0)">' + this.options.paginationFirstText + '</a></li>',
                 '<li class="page-pre"><a href="javascript:void(0)">' + this.options.paginationPreText + '</a></li>');