tbody

| | innerHTML="" | innerText="" | innerHTML=" " | innerText=" " | | ie6 | no | yes | no | no | | ie7 | no | yes | no | no | | ie8 | no | yes | no | no | | ie9 | yes | yes | no | yes | | chrome12 | yes | no | yes | no | | firefox5 | yes | no | yes | no | | safari5 | yes | no | yes | no | | opera11 | yes | yes | yes | yes |

table 同上

tr同上

td 下:      ie9 innerHTML=" "也OK

除firefox外标准浏览器能用innerText=""清空td