clearInterval 之后如何再次調(diào)用setInterval，實(shí)現(xiàn)時(shí)間走動(dòng)
clearInterval? 之后如何再次調(diào)用setInterval
劉氏阿四
2018-11-28
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2018-11-29
你這樣寫(xiě)時(shí)間都不會(huì)停，談何再走動(dòng)？
2018-12-14
<script type="text/javascript">
??? var i=setInterval(clock,1000);//設(shè)置定時(shí)器
????? function clock(){
??????? var time=new Date();????????????? ??? ? ?
??????? document.getElementById("clock").value = time.toLocaleString('en');//顯示時(shí)間
????? }
???? function stopTime(){
??????? clearInterval(i);//取消定時(shí)器，時(shí)間停止
???? }
??? function startTime(){
??????? var ii=setInterval(clock,1000);//再次設(shè)定定時(shí)器，時(shí)間繼續(xù)走
??????? i=ii;//第二次停止
??? }
?? ?
</script>
</head>
<body>
? <form>
??? <input type="text" id="clock" size="50"? />
??? <input type="button" value="Stop" onclick="stopTime()" />
??? <input type="button" value="Start" onclick="startTime()"/>