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ÀýÈ磬Èç¹ûÒª°Ñ×Ö·û´® "1234blue "ת»»³ÉÕûÊý£¬ÄÇôparseInt()½«·µ»Ø1234£¬ÒòΪµ±Ëü¼ì²âµ½×Ö·ûbʱ£¬¾Í»áÍ£Ö¹¼ì²â¹ý³Ì¡£×Ö·û´®Öаüº¬µÄÊý×Ö×ÖÃæÁ¿»á±»Õýȷת»»ÎªÊý×Ö£¬Òò´Ë×Ö·û´® "0xA "»á±»Õýȷת»»ÎªÊý×Ö10¡£²»¹ý£¬×Ö·û´® "22.5 "½«±»×ª»»³É22£¬ÒòΪ¶ÔÓÚÕûÊýÀ´Ëµ£¬Ð¡ÊýµãÊÇÎÞЧ×Ö·û¡£Ò»Ð©Ê¾ÀýÈçÏ£º
parseInt("1234blue"); //returns 1234
parseInt("0xA"); //returns 10
parseInt("22.5"); //returns 22
parseInt("blue"); //returns NaN
parseInt()·½·¨»¹Óлùģʽ£¬¿ÉÒ԰Ѷþ½øÖÆ¡¢°Ë½øÖÆ¡¢Ê®Áù½øÖÆ»òÆäËûÈκνøÖƵÄ×Ö·û´®×ª»»³ÉÕûÊý¡£»ùÊÇÓÉparseInt()·½·¨µÄµÚ¶þ¸ö²ÎÊýÖ¸¶¨µÄ£¬ËùÒÔÒª½âÎöÊ®Áù½øÖƵÄÖµ£¬ÐèÈçϵ÷ÓÃparseInt()·½·¨£º
parseInt("AF", 16); //returns 175
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parseInt("10", 2); //returns 2
parseInt("10", 8); //returns 8
parseInt("10", 10); //returns 10
Èç¹ûÊ®½øÖÆÊý°üº¬Ç°µ¼0£¬ÄÇô×îºÃ²ÉÓûùÊý10£¬ÕâÑù²Å²»»áÒâÍâµØµÃµ½°Ë½øÖƵÄÖµ¡£ÀýÈ磺
parseInt("010"); //returns 8
parseInt("010", 8); //returns 8
parseInt("010", 10); //returns 10
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