html运行实例（js_comparison_15

代码示例：（标识：js_comparison_15_or）

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 比较</h1>

<p>如果一个或两个表达式为 true，则 OR 运算符（||）返回 true，否则返回 false。</p>

<p id="demo"></p>

<script>
var x = 6;
var y = 3;

document.getElementById("demo").innerHTML = 
(x == 5 || y == 5) + "<br>" + 
(x == 6 || y == 0) + "<br>" + 
(x == 0 || y == 3) + "<br>" + 
(x == 6 || y == 3);
</script>

</body>
</html>