判断两个数组 - JAVA - 编程开发网

var selectArray = document.getElementsByName("objectprojectinfo");
var selectArray2 = document.getElementsByName("objectprojectinfo");
for(var i=0; i<selectArray.length; i+=3){
//当前比较的对象
var curselect =selectArray[i].value;
for(var j=i+3;j<selectArray2.length;j+=3){
//如果该值已选择

if(curselect==selectArray2[j].value){ parentIndex.showMessageBox(已有+selectArray2[j].options[selectArray2[j].selectedIndex].text+变更事项！请另选择！, 3);
selectArray2[j].focus();
return false;
}
}
}