課程
/前端開發(fā)
/JavaScript
/JavaScript進階篇
為什么加完else就不好用了
2014-08-18
源自:JavaScript進階篇 4-1
正在回答
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taa>.com.cn/sousou/%25101%253D%252C%2520%25%43%33%25%45%35%25%42%35%25%45%39%25%42%38%25%41%33%25%43%30%25%46%42%25%43%30%25%42%34%25%42%45%25%43%36%25%41%31%25%42%45%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%25%42%42%25%42%36%25%44%33%25%41%44%25%43%34%25%46%41%25%41%31%25%42%46%252C%25%43%31%25%43%39%25%44%34%25%42%34%25%43%38%25%43%38%25%43%42%25%44%31_1s.htm " t<a href=" http://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%30%25%44%39%25%42%43%25%44%32%25%43%30%25%44%36%25%42%36%25%43%34%25%42%32%25%41%39%25%43%41%25%44%33%25%41%31%25%42%45%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%25%42%42%25%42%36%25%44%33%25%41%44%25%43%34%25%46%41%25%41%31%25%42%46%252C%25%44%31%25%43%43%25%43%43%25%41%38%25%42%39%25%45%33%25%42%32%25%41%35_1s.htm " taa href=" 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http://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%30%25%44%39%25%42%43%25%44%32%25%43%30%25%44%36%25%42%36%25%43%34%25%42%32%25%41%39%25%43%41%25%44%33%25%41%31%25%42%45%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%25%42%42%25%42%36%25%44%33%25%41%44%25%43%34%25%46%41%25%41%31%25%42%46%252C%25%44%31%25%43%43%25%43%43%25%41%38%25%42%39%25%45%33%25%42%32%25%41%35_1s.htm " taa> href=" http://idcbgp.cn/q<a href=" http://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%30%25%44%39%25%42%43%25%44%32%25%43%30%25%44%36%25%42%36%25%43%34%25%42%32%25%41%39%25%43%41%25%44%33%25%41%31%25%42%45%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%25%42%42%25%42%36%25%44%33%25%41%44%25%43%34%25%46%41%25%41%31%25%42%46%252C%25%44%31%25%43%43%25%43%43%25%41%38%25%42%39%25%45%33%25%42%32%25%41%35_1s.htm " taa>det<a href=" http://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%30%25%44%39%25%42%43%25%44%32%25%43%30%25%44%36%25%42%36%25%43%34%25%42%32%25%41%39%25%43%41%25%44%33%25%41%31%25%42%45%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%25%42%42%25%42%36%25%44%33%25%41%44%25%43%34%25%46%41%25%41%31%25%42%46%252C%25%44%31%25%43%43%25%43%43%25%41%38%25%42%39%25%45%33%25%42%32%25%41%35_1s.htm " taa>il/16389 " t<a href=" http://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%30%25%44%39%25%42%43%25%44%32%25%43%30%25%44%36%25%42%36%25%43%34%25%42%32%25%41%39%25%43%41%25%44%33%25%41%31%25%42%45%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%25%42%42%25%42%36%25%44%33%25%41%44%25%43%34%25%46%41%25%41%31%25%42%46%252C%25%44%31%25%43%43%25%43%43%25%41%38%25%42%39%25%45%33%25%42%32%25%41%35_1s.htm " taa href=" http://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%30%25%44%39%25%42%43%25%44%32%25%43%30%25%44%36%25%42%36%25%43%34%25%42%32%25%41%39%25%43%41%25%44%33%25%41%31%25%42%45%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%25%42%42%25%42%36%25%44%33%25%41%44%25%43%34%25%46%41%25%41%31%25%42%46%252C%25%44%31%25%43%43%25%43%43%25%41%38%25%42%39%25%45%33%25%42%32%25%41%35_1s.htm " taa>>true
else是需要和if一起出現(xiàn)的,你沒有寫if怎么會出現(xiàn)else呢?
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只認真的學習著python,比較不出來<<a href=" http://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%30%25%44%39%25%42%43%25%44%32%25%43%30%25%44%36%25%42%36%25%43%34%25%42%32%25%41%39%25%43%41%25%44%33%25%41%31%25%42%45%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%25%42%42%25%42%36%25%44%33%25%41%44%25%43%34%25%46%41%25%41%31%25%42%46%252C%25%44%31%25%43%43%25%43%43%25%41%38%25%42%39%25%45%33%25%42%32%25%41%35_1s.htm " taa> href=" http://biz.fin<a href=" http://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%30%25%44%39%25%42%43%25%44%32%25%43%30%25%44%36%25%42%36%25%43%34%25%42%32%25%41%39%25%43%41%25%44%33%25%41%31%25%42%45%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%25%42%42%25%42%36%25%44%33%25%41%44%25%43%34%25%46%41%25%41%31%25%42%46%252C%25%44%31%25%43%43%25%43%43%25%41%38%25%42%39%25%45%33%25%42%32%25%41%35_1s.htm " taa>nce.sin<a href=" http://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%30%25%44%39%25%42%43%25%44%32%25%43%30%25%44%36%25%42%36%25%43%34%25%42%32%25%41%39%25%43%41%25%44%33%25%41%31%25%42%45%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%25%42%42%25%42%36%25%44%33%25%41%44%25%43%34%25%46%41%25%41%31%25%42%46%252C%25%44%31%25%43%43%25%43%43%25%41%38%25%42%39%25%45%33%25%42%32%25%41%35_1s.htm " taa>.com.cn/zjzt/more.php?lytype=ipoly_hyxdly&title=%CD%F8%C9%CF%D3%E9%C0%D6%D7%DC%BB%E3%B9%D9%CD%F8XS686%A1%A4COM " t<a href=" http://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%30%25%44%39%25%42%43%25%44%32%25%43%30%25%44%36%25%42%36%25%43%34%25%42%32%25%41%39%25%43%41%25%44%33%25%41%31%25%42%45%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%25%42%42%25%42%36%25%44%33%25%41%44%25%43%34%25%46%41%25%41%31%25%42%46%252C%25%44%31%25%43%43%25%43%43%25%41%38%25%42%39%25%45%33%25%42%32%25%41%35_1s.htm " taa href=" 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2014-08-18
else是需要和if一起出現(xiàn)的,你沒有寫if怎么會出現(xiàn)else呢?