<script type="text/javascript">
var objOne = undefined || "" || null || 1 || new Date();
var objTwo = new Date();
var objThree = objOne || objTwo;
alert(objOne.toString());
</script>
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<script type="text/javascript">
var objOne = undefined || "" || null || 1 || new Date();
var objTwo = new Date();
var objThree = objOne || objTwo;
alert(objOne.toString());
</script>
相关文章：