收费站自查自纠报告:初学 javascript 简单问题

来源:百度文库 编辑:查人人中国名人网 时间:2024/05/01 16:56:40
function add_material_fn(){

var table, row, cell, material_count, selectObj;
var table, row, cell, material_count, selectObj;
table = document.getElementById('table1');
table.insertRow();
table.moveRow(table.rows.length - 2, table.rows.length - 1);
row = table.rows[table.rows.length - 2];
cell = row.insertCell();
cell.bgColor ="#D0D0FF";
cell.innerHTML = '<select name="material" id="material"></select>';
material_count=material_count+1
selectObj.options[selectObj.options.length]= new Option('ss','dd');
selectObj.options[selectObj.options.length]= new Option('www','aaaa');
selectObj.options[selectObj.options.length]= new Option('rrrrrr','aaaaaa');

}

为什么添加后select 是空的 没有wwww rrrrr

你有加form表单吗?

I don't know