js获取复选框的值

js获取复选框的值

function getVals(){
    var res = getCheckBoxRes('rds');
    if(res.length < 1){
        mui.toast('请选择');
        return;
    }
    mui.toast(res);
}
function getCheckBoxRes(className){
    var rdsObj   = document.getElementsByClassName(className);
    var checkVal = new Array();
    var k        = 0;
    for(i = 0; i < rdsObj.length; i++){
        if(rdsObj[i].checked){
            checkVal[k] = rdsObj[i].value;
            k++;
        }
    }
    return checkVal;
}