js获取表格table的行数和列数特效.docx

这是用js 获取表格table的行数和列数特效，有时在开发WEB中会用到js 获取表格table的行数和列数的需要，这时实现这个功能了html?head? titleTable Test/title? meta name=generator content=Editplus /? meta name=author content=PJ /? script language=JavaScript? !--?? function Delete(obj)?? {?? ?var tt = obj.parentNode.parentNode.rowIndex;//获取tabe的行数?? ???? var dgTable=document.getElementById(tb)//tb为table的ID,?? ?var ttt = dgTable.rows[0].cells.length;//获取table的列数?? ??? ?for(var i=0;idgTable.rows.length-1;i++){?? ??? ?? alert(dgTable.rows[tt].cells[i].innerHTML); //演示,弹出所在行的第一列的内容?? ??? ??? }?? }? //--? /script?/head?body? table id=tb border=1px width=500px? tr?? td width=40%aaa/td?? td width=40%bbb/td?? td width=15%a onclick=Delete(this) href=#delete/a/td? /tr? tr?? tdccc/td?? tdddd/td?? tda onclick=Delete(this) href=#delete/a/td? /tr? tr?? tdeee/td?? tdfff/td?? tda onclick=Delete(this) href=#delete/a/td? /tr? /table?/body /html