JS案例：逻辑与关系运算符使用实例

来自CloudWiki
跳转至： 导航， 搜索 
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>逻辑运算符和关系运算符测试示例</title>
</head><body><pre>
<script type="text/javascript">
		var a=5,b=6,result;
		document.writeln("a=5,b=6");
		document.writeln(" ");
	document.write("a<b&&a<=b = ");  result= a<b&&a<=b; 
document.writeln(result);
		document.write("a<b&&a>b = ");  result= a<b&&a>b;
 	document.writeln(result);
		document.write("a<b||a>b = ");  result= a<b||a>b;
 	document.writeln(result);
		document.write("a>b||a>=b = ");  result= a>b||a>=b; 
document.writeln(result);
	    document.write("!(a<b) = ");  result= !(a<b); 
document.writeln(result);
	    document.write("!(a>b) = ");  result= !(a>b); 
document.writeln(result);
</script>
</pre></body></html>
取自“http://www.openbrains.net/mediawiki/index.php?title=JS案例：逻辑与关系运算符使用实例&oldid=15927”