js 笔记

        function funNumberCount() {
            numTmp = getCookie("numTmp");
            document.getElementById('btnCount').value = numTmp;
            numTmp--;
            if (numTmp == -1) {
                clearInterval(interval);
                document.getElementById('btnCount').disabled = false;
                document.getElementById('btnCount').value = "发送短信";               
            }
            setCookie("numTmp", numTmp, 1);
        }       

        function btnClick() {
            if (getCookie("numTmp") == ""||getCookie("numTmp")<="-1") {
                setCookie("numTmp", 9, 1);
            }
            else {
                interval = setInterval(funNumberCount, 1000);
                document.getElementById('btnCount').disabled = true;
                return;
            }            
        }