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分享javascript: 子串是否存在的判断?
var
s="abcdef";
sub="cd";
i want to know if "sub" in "s"
it should use "if(s.indexof(sub)>=0) ...",
but this statement is an error!
另请指点何处有较佳的教程下载。
s="abcdef";
sub="cd";
i want to know if "sub" in "s"
it should use "if(s.indexof(sub)>=0) ...",
but this statement is an error!
另请指点何处有较佳的教程下载。
...全文
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weidegong 2002-05-22
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http://www.yuyux.com/
chinaillboy 2002-05-22
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agree.
download,please go to MS:
http://download.microsoft.com/download/winscript56/Install/5.6/W982KMeXP/EN-US/scrdoc56en.exe
download,please go to MS:
http://download.microsoft.com/download/winscript56/Install/5.6/W982KMeXP/EN-US/scrdoc56en.exe
孟子E章 2002-05-22
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sorry:
if(s.indexOf(sub)>-1) alert("存在")
if(s.indexOf(sub)>-1) alert("存在")
孟子E章 2002-05-22
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注意大小写
indexOf()
indexOf()
孟子E章 2002-05-22
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if(s.indexOf(sub)>0) alert("存在")
