📄 06.html
字号:
<html>
<head>
<title>JavaScript运算符</title>
</head>
<body>
位运算符：<br>
<script language="JavaScript">
var a = 2;
var b = 3;
document.write("a=" + a + ", b=" + b); document.write("<br>");
document.write(a & b); document.write("<br>");
document.write(a | b); document.write("<br>");
document.write(a ^ b); document.write("<br>");
document.write(~a); document.write("<br>");
</script>
<hr>全等运算符：<br>
<script language="JavaScript">
var a = 3;
var b = 3;
var c = "3";
document.write("a=3, b=3, c=\"3\"");
document.write("<br>");
document.write("a==b 结果为: " + (a==b));
document.write("<br>");
document.write("a==c 结果为: " + (a==c));
document.write("<br>");
document.write("a===b 结果为: " + (a===b));
document.write("<br>");
document.write("a===c 结果为: " + (a===c));
</script>
<hr>条件运算符：<br>
<script language="JavaScript">
var a = 80;
var b = a>=60?"及格":"不及格";
document.write(b);
</script>
</body>
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