html运行实例（eg_js_syntax_keywords）-搜寻教程库

代码示例：（标识：eg_js_syntax_keywords）

<!DOCTYPE html>
<html>
<body>

<h2>var 关键词创建变量</h2>

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

<script>
var x, y;
x = 7 + 8;
y = x * 10;
document.getElementById("demo").innerHTML = y;
</script>

</body>
</html>