​x
 
<!DOCTYPE html>
<html>
<body>
​
<p>单击该按钮可显示 Math.exp() 在不同数字上的结果。</p>
​
<button onclick="myFunction()">试一试</button>
​
<p id="demo"></p>
​
<script>
function myFunction() {
  var a = Math.exp(1);
  var b = Math.exp(-1);
  var c = Math.exp(5);
  var d = Math.exp(10);
​
  var x = a + "<br>" + b + "<br>" + c + "<br>" + d;
  document.getElementById("demo").innerHTML = x; 
}
</script>
​
</body>
</html>
​