​x
 
<!DOCTYPE html>
<html>
<body>
​
<p>您可以在一条语句中声明多个变量：</p>
​
<button onclick="myFunction()">Try it</button>
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<p id="demo"></p>
​
<script>
function myFunction() {
  var lastName = "Doe", 
  age = 30, 
  job = "carpenter";
​
  document.getElementById("demo").innerHTML = "Name: " + lastName  + ". Age: " + age + ". Work: " + job;
}
</script>
​
</body>
</html>
​