SOURCE

//全选函数
        function setAll() {
            var loves = document.getElementsByName("love");
            for (var i = 0; i < loves.length; i++) {
                loves[i].checked = true;
            }
        }

        //全不选函数
        function setNo() {
            var loves = document.getElementsByName("love");
            for (var i = 0; i < loves.length; i++) {
                loves[i].checked = false;
            }
        }

        //反选
        function setOthers() {
            var loves = document.getElementsByName("love");
            for (var i = 0; i < loves.length; i++) {
                if (loves[i].checked == false)
                    loves[i].checked = true;
                else
                    loves[i].checked = false;
            }
        }
        
        //全选/全不选操作
        function setAllNo(){
            var box = document.getElementById("boxid");
            var loves = document.getElementsByName("love");
            if(box.checked == false){
                for (var i = 0; i < loves.length; i++) {
                    loves[i].checked = false;
                }
            }else{
                for (var i = 0; i < loves.length; i++) {
                    loves[i].checked = true;
                    }
            }
        }

<input type="checkbox" id="boxid" onclick="setAllNo()" />全选/全不选
    <br />
    <input type="checkbox" name="love" />篮球
    <br />
    <input type="checkbox" name="love" />排球
    <br />
    <input type="checkbox" name="love" />羽毛球
    <br />
    <input type="checkbox" name="love" />乒乓球
    <br />
    <input type="button" value="全选" onclick="setAll()" />
    <input type="button" value="全不选" onclick="setNo()" />
    <input type="button" value="反选" onclick="setOthers()" />