function myremove() {
var mytable=document.getElementById("table");
var mytr=document.getElementsByTagName("tr");
for (var i=0;i<mytr.length;i++){
if (i!=0){
mytable.removeChild(mytr[i]);
}
}
}table下面只有text和tbody,tr是在tbody里面的。也可以写成mytable.childNodes[1].removeChild(mytr[i]);
function myremove() {
var mytable=document.getElementById("table");
var mytr=document.getElementsByTagName("tr");
for (var i=0;i<mytr.length;i++){
if(i!=0){
//改成这样就行了:
mytr[i].parentNode.removeChild(mytr[i]);
}
}
}