<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>逻辑非</title><script type="text/javascript">var numa,numb,jq1;numa=60;numb=70;jq1=!numa<numb; document.write("jq1的值是:"+jq1+"<br>")</script></head><body></body></html>
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