| Index: recipes/web/html/selectors_hierarchy.html
|
| diff --git a/recipes/web/html/selectors_hierarchy.html b/recipes/web/html/selectors_hierarchy.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..9d443f9cdea3eb2d0de7cc5432b161cd4b005704
|
| --- /dev/null
|
| +++ b/recipes/web/html/selectors_hierarchy.html
|
| @@ -0,0 +1,49 @@
|
| +<!DOCTYPE html>
|
| +
|
| +<html>
|
| + <head>
|
| + <title>selectors_hierarchy</title>
|
| + </head>
|
| +
|
| + <body>
|
| + <ul>
|
| + <li id='first'>Item 1</li>
|
| + <li>Item 2
|
| + <ul>
|
| + <li>Nested Item 1</li>
|
| + <li>Nested Item 2</li>
|
| + </ul>
|
| + </li>
|
| + <li>Item 3</li>
|
| + </ul>
|
| +
|
| + <script type="application/dart">
|
| +
|
| + import 'dart:html';
|
| +
|
| + void main() {
|
| +
|
| + // Child elements.
|
| + List<Element> elements = queryAll('li > ul');
|
| + assert(elements.length == 1);
|
| +
|
| + // Descendant elements.
|
| + elements = queryAll('li li');
|
| + assert(elements.length == 2);
|
| +
|
| +
|
| + // Next adjacent selectors.
|
| + elements = queryAll('#first + li');
|
| + assert(elements.length == 1);
|
| + elements.forEach((el) => el.style.color = 'red');
|
| +
|
| + // Next adjacent selectors.
|
| + elements = queryAll('#first ~ li');
|
| + assert(elements.length == 2);
|
| + elements.forEach((el) => el.style.textDecoration = 'underline');
|
| + }
|
| +
|
| + </script>
|
| + <script src="packages/browser/dart.js"></script>
|
| + </body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 14109034:
Recipes for using CSS Selectors with dart:html (Closed)
Base URL: https://github.com/dart-lang/cookbook.git@master