recipes/web/html/removing_children.html - Issue 14109034: Recipes for using CSS Selectors with dart:html

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Side by Side Diff: recipes/web/html/removing_children.html

Issue 14109034: Recipes for using CSS Selectors with dart:html (Closed) Base URL: https://github.com/dart-lang/cookbook.git@master

Patch Set: Changes based on Kathy's comments. Created 7 years, 7 months ago

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(Empty)
	1 <!DOCTYPE html>

	2

	3 <html>

	4 <body>

	5 <ol>

	6 <li>Google</li>

	7 <li>Wikipedia</li>

	8 <li>Reddit</li>

	9 <li class='news'>New York Times</li>

	10 <li>Hacker News</li>

	11 </ol>

	12

	13 <script type="application/dart">

	14

	15 import 'dart:html';

	16

	17 void main() {

	18 var children = query('ol').children;

	19

	20

	21 // RemoveAt()

	22 assert(children[1].innerHtml == 'Wikipedia');

	23 children.removeAt(1);

	24 assert(children[1].innerHtml == 'Reddit');

	25

	26 print(children.runtimeType);

	27

	28 // removeLast()

	29 children.removeLast();

	30 assert(children.last.innerHtml == 'New York Times');

	31

	32 var news = query('.news');

	33

	34 children.remove(news);

	35 assert(children.last.innerHtml == 'Reddit');

	36

	37 // BUG: RemoveWhere: does not work. retainWhere() also does not work.

	38 // children.removeWhere((child) => child.innerHtml.length == 5);

	39

	40 children.clear();

	41 assert(children.isEmpty);

	42 }

	43

	44 </script>

	45 <script src="packages/browser/dart.js"></script>

	46 </body>

	47 </html>

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