​x
 
<!DOCTYPE html>
<html>
<body>
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<p>单击按钮可解析不同的字符串。</p>
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<button onclick="myFunction()">试一试</button>
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<p id="demo"></p>
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<script>
function myFunction() {
  var a = parseInt("10") + "<br>";
  var b = parseInt("10.00") + "<br>";
  var c = parseInt("10.33") + "<br>";
  var d = parseInt("34 45 66") + "<br>";
  var e = parseInt("   60   ") + "<br>";
  var f = parseInt("40 years") + "<br>";
  var g = parseInt("He was 40") + "<br>";
​
  var h = parseInt("10", 10)+ "<br>";
  var i = parseInt("010")+ "<br>";
  var j = parseInt("10", 8)+ "<br>";
  var k = parseInt("0x10")+ "<br>";
  var l = parseInt("10", 16)+ "<br>";
​
  var n = a + b + c + d + e + f + g + "<br>" + h + i + j + k +l;
  document.getElementById("demo").innerHTML = n;
}
</script>
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</body>
</html>
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