<!DOCTYPE html>
<html>
<head>
</head>
<body>
<p id="timer"></p>
<script>
var a = 30;
var b = 1;
var c = document.getElementById('timer').innerHTML = a - b;
</script>
</body>
</html>
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我该如何在HTML的
<!DOCTYPE html>
<html>
<head>
</head>
<body>
<p id="timer"></p>
<script>
var a = 30;
var b = 1;
var c = document.getElementById('timer').innerHTML = a - b;
</script>
</body>
</html>
document.title
,就像这样。 var a = 30;
var b = 1;
var c = document.getElementById('timer').innerHTML = a - b;
document.title = c;
var a = 30;
var b = 1;
var c = document.getElementById('timer').innerHTML = a - b;
window.document.title = c;