<html>
<body>
<script type="text/javascript">
var w = 0;
var weight1 = parseFloat("0.6");
var weight2 = parseFloat("0.3");
w = weight1 + weight2;
document.write("total weight: " + w);
</script>
</body>
</html>
爲什麼本刊0.8999999999999999而不是0.90000000
歡迎使用浮點數! – 2010-11-12 22:12:06
重複http://stackoverflow.com/questions/1088216/whats-wrong-with-using-to-compare-floats-in-java? – PleaseStand 2010-11-12 22:12:52
請參閱:http://stackoverflow.com/questions/1036662/weird-javascript-behaviour-floating-point-addition-giving-the-wrong-answer – 2010-11-12 22:13:33