// js import 'dart:js' as Js; import 'dart:html'; abstract class IPlr {} class NPlr extends IPlr {} SpanElement Span(String cls) { return new SpanElement()..classes.add(cls); } DivElement Div(String cls) { return new DivElement()..classes.add(cls); } TableCellElement TD(TableRowElement tr) { TableCellElement td = new TableCellElement(); tr.append(td); return td; } ParagraphElement P(String cls) { return new ParagraphElement()..classes.add(cls); } String b(String str) { return str; } String smile(String str) { return '
'; } String l(String str, String key) { return str; } num drawText(CanvasRenderingContext2D ctx, String txt, int x, int y, int w, bool center) { TextMetrics tm = ctx.measureText(txt); ctx.fillText(txt, x, y + 15, w); return 1; } class Dt { static String ex = b('!'); static String add = b('+'); static String at = b('@'); } void main() { print(Dt.at); // Find an element by id (an-id). Element idElement = querySelector('#an-id')!; // Find an element by class (a-class). Element classElement = querySelector('.a-class')!; // Find all elements by tag (
). List divElements = querySelectorAll('div'); Map test_map = { "a": 1, }; // 插入 test_map["b"] = 2; print(test_map); // 删除 test_map.remove("a"); print(test_map); // 修改 test_map["b"] = 3; print(test_map); // 查找 print(test_map["b"]); // 遍历 test_map.forEach((key, value) { print("$key : $value"); }); print(test_map); TableRowElement tr = new TableRowElement(); TD(tr) ..text = l('击杀', 'killedCount') ..style.width = '44px'; TD(tr) ..text = l('致命一击', 'killerName') ..style.minWidth = '112px'; var plr = new NPlr(); DivElement plist = document.querySelector('.plist') as DivElement; DivElement pbody = document.querySelector('.pbody') as DivElement; DivElement p = Div('p'); p.append(tr); pbody.append(p); plist.append(pbody); print(idElement); print(classElement); print(divElements); querySelector('#inputs')!.nodes.add(idElement); print("Hello, World!"); var a = "Hello, World!"; for (var i = 0; i < 10; i++) { a += " " + i.toString(); } int b = 124242424; for (var i = 0; i < 10; i++) { b += b * i; } // js sleep Future.delayed(Duration(milliseconds: 1000)).then((value) { print("延时1秒执行 then "); print(value); }); var closuer = () { print("closuer"); }; closuer(); print(a); }