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[p]實現函數:[br]function ischarsinbag (s, bag)[br]{ [br]var i,c;[br]for (i = 0; i < s.length; i++)[br]{ [br]c = s.charat(i);//字符串s中的字符[br]if (bag.indexof(c) > -1) [br]return c;[br]}[br]return "";[br]}[br]檢查函數:[br]function ischinese(s)[br]{[br]var errorchar;[br]var badchar = "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789><,[]{}?/+=|\'"":;~!#$%()`";[br]errorchar = ischarsinbag( s, badchar)[br]if (errorchar != "" )[br]{[br]report=report+"請重新輸入中文 ";[br]return false;[br]} [/p]
[p]return true;[br]}[br]就這么簡單:)其實還輸入日語,暈[/p]