//创建table标签
table=document.createElement('table');
table.id='selector';
table.style.width='100%';
table.style.backgroundColor = '#fff';
table.style.border = '1px solid #ccc';
var tr = table.();
tr.style.border = 0;
var tr = table.(); //怎么获得这个tr对象?
tr.style.border = 0;
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…