TableRowElement 构造函数
实现
factory TableRowElement() => JS<TableRowElement>(
'returns:TableRowElement;creates:TableRowElement;new:true',
'#.createElement(#)',
document,
"tr");
factory TableRowElement() => JS<TableRowElement>(
'returns:TableRowElement;creates:TableRowElement;new:true',
'#.createElement(#)',
document,
"tr");