ç°å¢äŒè°ããããããããªããªãJavaScriptã«åãåããªãã£ã
ã®ã§ããããçäŒã¿ã«ãŸãåãçµãã§ã¿ãŸãããå°ããããªãã§
ããã ãã§ãããè³ãéã³ã€ããŠåããªãæãã§ãã
ã¿ãªããã®ããã«ããã§ã¯ãªãã®ã§ãæ¯æ¥ã©ã£ã·ããšJavaScript
ã«è§Šããããšãã§ããŸããããç¶ããã®ã¯ããããããã®ã§ãã
ãšããã§ãå眮ãããªãããªã£ãŠããŸããŸããããã«ãŒãã§ç¹°ãè¿ã
è¡šçŸããããšãã®ããšã§ãïŒæ¥éããã§ã€ã¶ããŠããŸããŸããã
ãšã«ããŒãã§ã®åšæè¡šãäœããããšæããããåšæãã«ãŒãããã
ç°¡åãªïŒã³ãŒããç¯çŽããïŒã¹ã¯ãªãããæžããªãããšãã£ãŠã¿ãã®
ã§ãããã§ããªããŠã»ã»ã»
A B C D E ãšããæååã®äžŠã³ããã®ãŸãŸç¹°ãè¿ããããã«ã¯ã©
ãæžãã°ããã®ã§ããããã
A B C D E A B C D E A B C D E A B C D E A B C D Eã
ãšããæãã§ãããããã¯
A
B
C
D
E
A
B
C
D
E
A
B
C
D
E
ãšãããã®ãã»ããã®ã§ãããã¡ãã¯å¿çšãšããŠäžã€ãã§ããã°ã
document.write(ïŒã«<br>ãå
¥ããã°ã§ãããšæããŸããã
é
åèŠçŽ ãã»ããæ°ã ãç¹°ãè¿ã䞊ã¹ãŠçœ®ãã°ããã®ã§ããããã
äœååãç¹°ãè¿ããããšãã«ã¯å€§å€ã§ãããééããå
¥ã蟌ããšæ
ããŸããããã§ã
synd = new Array('A','B','C','D','E')
ãšããé
åèŠçŽ ã ãã䜿ã£ãŠA B C D E ãä»®ã«30åç¹°ãè¿ããã
ã«ã¯ã©ãæžãã°ããã®ã§ããããã
ç°¡åãªã®ãããããªãã®ã§ãããçºæ³ãæªãã®ããããããã£ãŠã
ç§ã«ã¯ããããããŠã§ããŸããã§ããã
ãã€ãåæ©çãªè³ªåã°ããã§ç³ãèš³ãããŸããã
ãããããé¡ãããããŸãã
--
æ¿æ©åœç·
kunit...@h2.dion.ne.jpãã:
> synd = new Array('A','B','C','D','E')
> ãšããé
åèŠçŽ ã ãã䜿ã£ãŠA B C D E ãä»®ã«30åç¹°ãè¿ããã
> ã«ã¯ã©ãæžãã°ããã®ã§ããããã
1éã«ãŒãã ãš
for(var i = 0; i < LIMIT; ++i) {
var c = synd[i%5];
...
}
2éã«ãŒãã ãš
for(var i = 0; i < LIMIT/5; ++i) {
for(var j = 0; j < 5; ++j) {
var c = synd[j];
...
}
}
ã奜ããªæ¹ã§ããããããªãã§ãããã(ç§ã¯å
¥ãåãæ·±ãã®ã¯é¿ãã
ããšããæ°åãããã®ã§ã1éã«ãŒãã奜ã¿ãã)ã
ãŸãé 匵ã£ãŠãã ããã ä¹
é
/^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^l
l æ¿æ©ããïŒITAHASHI KunioïŒã¯ã l
l æ¥æïŒMon, 18 Aug 2003 09:05:30 +0900 ã«ã l
l 件åïŒ< LOOPã¹ã¯ãªãã > l
l ãšããŠéä¿¡ãããŸããã l
l /
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> æ®æãèŠèãç³ãäžããŸãã
ããã¡ããããæ®æãèŠèãç³ãäžããŸããå·å€ãšããã©ãç¢åŒµã湿æ°ã倧å€ã§
ããã
> ç°å¢äŒè°ããããããããªããªãJavaScriptã«åãåããªãã£ã
> ã®ã§ããããçäŒã¿ã«ãŸãåãçµãã§ã¿ãŸãããå°ããããªãã§
> ããã ãã§ãããè³ãéã³ã€ããŠåããªãæãã§ãã
ããç¹å€ãªäžããèŠåŽæ§ã§ãã
ãããèšãã°ã以åæçš¿ããããªããžã§ã¯ãã«ã€ããŠã®ç§ãæç°ããã®è¿ä¿¡ã¯èŠ
ãããã§ããããïŒæç°ããã®ã¯å®äŸãããã®ã§å匷ã«ãªããšæããŸããïŒç§ã¯
çè«ã°ã£ããæžããŠãŸãã ^^: ãšã£ã€ãã«ããã§ããïŒã
> A B C D E ãšããæååã®äžŠã³ããã®ãŸãŸç¹°ãè¿ããããã«ã¯ã©
> ãæžãã°ããã®ã§ããããã
> synd = new Array('A','B','C','D','E')
> ãšããé
åèŠçŽ ã ãã䜿ã£ãŠA B C D E ãä»®ã«30åç¹°ãè¿ããã
> ã«ã¯ã©ãæžãã°ããã®ã§ããããã
ããã£ãä»åä¿¡ãããã®ã¡ãã»ãŒãžãèªã¿ãªããèããã³ãŒããªã®ã§ãè¶
å³åžã§
HTMLãšããŠã¯çç¥ããéšåãå€ããã³ãŒãã«ã€ããŠã¯å¹çãšããã£ãšç¶ºéºãªã³ãŒ
ãã£ã³ã°ãããããããªãããšããçªã£èŸŒã¿ããããšã¯æããŸãããäžå¿ãã®ã
ããªããã®å Žã§èããã³ãŒããã§å®ãããã°ãæ²èŒããŠãããŸãïŒéã«ããã®ã
ããªäœãèããã«æžããé§äœã³ãŒãã®æ¹ããã¢ã«ãŽãªãºã ãšããŠã¯ç解ãæãã
ãïŒã
<html>
<head>
<script type="text/javascript">
synd = new Array('A','B','C','D','E')
for (i=1; i<=30; i++) {
for (j=0; j < synd.length; j++) {
document.write(synd[j]+" ");
}
document.write("<br>");
}
</script>
</head>
<body>
</body>
</html>
---------------------------------------
Hirotsugu Nakamura <CQE2...@nifty.com>
In message news:RKV%a.678$U8....@news1.dion.ne.jp
"ITAHASHI Kunio" <kunit...@h2.dion.ne.jp> wrote ...
> A B C D E ãšããæååã®äžŠã³ããã®ãŸãŸç¹°ãè¿ããããã«ã¯ã©
> ãæžãã°ããã®ã§ããããã
ããã€ãããæ¹ããããšæããŸããããã¹ãçšã«ã·ã³ãã«ã«ãã
å Žåã¯ãé¢æ°åããŠã¿ãã®ãæã§ãã
var synd = new Array('A','B','C','D','E');
function loop1() {
var i;
for (i=0; i < synd.length; i++) // synd ã®èŠçŽ ãæžãåºã
document.write(synd[i] + ' ');
}
function loop2() {
var i;
for (i=0; i < 30; i++) // loop1() ã 30 ååŒã¶
loop1();
}
loop2();
ãããå°ãæ¡åŒµããŠãåé¢æ°ã®åŒæ°ã« synd ãç¹°ãè¿ãåæ°ãæž¡ããŠ
åŠçãããšããæããããŸãã
function loop1(obj) {
var i;
for (i=0; i < obj.length; i++) // obj ã®èŠçŽ ãæžãåºã
document.write(obj[i] + ' ');
}
function loop2(obj, n) {
var i;
for (i=0; i < n; i++) // loop1(obj) ã n ååŒã¶
loop1(obj);
}
var synd = new Array('A','B','C','D','E');
loop2(synd, 30);
ãŸãã¯ãç¹°ãè¿ãåŠçã§å¿
èŠãªé
åã®ã€ã³ããã¯ã¹ã«æ³šç®ãã
var synd = new Array('A','B','C','D','E');
ã¯
synd[0] = 'A';
synd[1] = 'B';
ïœ
synd[4] = 'E';
ãªã®ã§ã
0 1 2 3 4 0 1 2 3 4 0 âŠ
ãš(5ã«ãªããšããã§0ã«æ»ãã)ç¶ããŸãããã
ãªã®ã§ãå€ã®ã«ãŒããšã¯å¥ã«ã€ã³ããã¯ã¹çšã®ã«ãŠã³ã¿ãèšããŠã
var synd = new Array('A','B','C','D','E')
var n = 30 * synd.length;
var idx = 0;
for (i=0; i < n; i++) {
document.write(synd[idx] + ' ');
idx = idx + 1; // 次åçšã®ã€ã³ããã¯ã¹ãèšç®
if (idx == synd.length) // synd.length 㯠5 ãªã®ã§ã
idx = 0; // 5 ã®ãšã 0 ã«æ»ã
}
ãšããæ¹æ³ããããŸãã
ããã¯ãidx 㯠i ã 5 ã§å²ã£ãäœããšãèšããŠã
ä¹
éããã瀺ããã i % 5 ã«çžåœããŸãã
ãŸããã«ãŒãåŠçãåããŠé¢æ°åãããã®ã1ã€ã§ãããšãããã
å€ã®ã«ãŒãã®å
åŽã«é¢æ°åããåŠçãèšè¿°ããããšã§ã
2éã®ã«ãŒãã§åŠçã§ããããšããããããšæããŸãã
# é¢æ°åããåŠçãã«ãŒãå
ã«å±éããéã¯ãå€æ°åã
# ããããªãããã«æ³šæããå¿
èŠããããŸãã
for æã¯ãæ§ã
ãªæ©èœãæäŸããŠããããã§ã¯ãªãã
決ããããããšããåºæ¥ãŸããã®ã§ããã®ä»ãããããšçµã¿åãããŠ
åŠçããããšã«ãªããŸãã
ãã®éãå°ããªåäœã§éšåçã«åŠçãããã®ã®çµæãäžã€ã®åäœãšããŠã
å°ãåºãç¯å²ããŸãéšåçã«èãããšãã£ãèãæ¹ããããšã
èããããããšæããŸãã
--
æç°
sugi...@bk.iij4u.or.jp
ãããã§èããããããç解ã§ããŸããã
é¢æ°ãåæ°ååŒã³åºããšããã®ããããã§ããã
ãªãã»ã©ããšæããŸããã
ãã¡ã°ãæåŸã®ã¹ã¯ãªããã¯ãããã§ããã
ç§ãã®ã¿ã§ã ^_^
> var synd = new Array('A','B','C','D','E')
> var n = 30 * synd.length;
> var idx = 0;
> for (i=0; i < n; i++) {
> document.write(synd[idx] + ' ');
> idx = idx + 1; // 次åçšã®ã€ã³ããã¯ã¹ãèšç®
> if (idx == synd.length) // synd.length 㯠5 ãªã®ã§ã
> idx = 0; // 5 ã®ãšã 0 ã«æ»ã
> }
>
ã¡ãã£ãšãŸãåºæ¬çãªç解ãããããšã©ãªãããããå±ãã
åãããã§ãããå°ã解ããªãããšããããŸãã
äžã®ã¹ã¯ãªããã§
for (i=0; i < n; i++) {
ã®foræã«äœ¿ãããŠããå€æ° i ã¯ãã®åŸã©ãã«ãåºãŠæ¥ãª
ãã®ã§ãããã©ããžè¡ã£ãŠäœãããŠããã§ããããïŒ
åæå€ïŒã§èŠçŽ ã30åç¹°ãè¿ãããã«ã€ã³ã¯ãªã¡ã³ãããŠã
ã®ã¯ããããŸãããæ®éã®å Žåã¯ã
for (i=0; i < n; i++) {
document.write(i+'<br>');
ã®ããã«ãã®åŸã« i ãå®è¡ãããå€æ°ãšããŠèšè¿°ãããŸã
ãããããã§ã¯ãªãè¡šã«åºãŠæ¥ãªãã®ã§ãããã
ã§ããã¡ãããšåããããµããã§ãã
ãã€ãããããšãããããŸãã
ãŸããããããé¡ãããããŸãã
--
æ¿æ©ãæ
Hirotsugu Nakamura ããwrote in message
<20030818175430...@nifty.com>...
>ããã£ãä»åä¿¡ãããã®ã¡ãã»ãŒãžãèªã¿ãªããèããã³ãŒããªã®ã§ãè¶
å³åžã§
>HTMLãšããŠã¯çç¥ããéšåãå€ããã³ãŒãã«ã€ããŠã¯å¹çãšããã£ãšç¶ºéºãªã³ãŒ
>ãã£ã³ã°ãããããããªãããšããçªã£èŸŒã¿ããããšã¯æããŸãããäžå¿ãã®ã
>ããªããã®å Žã§èããã³ãŒããã§å®ãããã°ãæ²èŒããŠãããŸãïŒéã«ããã®ã
>ããªäœãèããã«æžããé§äœã³ãŒãã®æ¹ããã¢ã«ãŽãªãºã ãšããŠã¯ç解ãæãã
>ãïŒã
ç§ããããšçææ°ã«èãããŸãããã»ã»ã»
ãã£ãšæžãããšããã®ã¯é ãæŽçãããŠãããã ãªãããšæããŸ
ãããã³ãŒãããã©ã£ãŠèªããšããšãŠãéçã«ããªã£ãŠããŠãããã
ãã®ã¯ãŸãã«ãã®ã³ãŒãã®éããªã®ã§ãããããããªããªãæžããªã
ã§ãã
>ãããèšãã°ã以åæçš¿ããããªããžã§ã¯ãã«ã€ããŠã®ç§ãæç°ããã®è¿ä¿¡ã¯èŠ
>ãããã§ããããïŒæç°ããã®ã¯å®äŸãããã®ã§å匷ã«ãªããšæããŸããïŒç§ã¯
>çè«ã°ã£ããæžããŠãŸãã ^^: ãšã£ã€ãã«ããã§ããïŒã
>
ããããããšãã§ãããããŸããã芪åã«èª¬ããŠããã ããŠæ¬åœã«
æè¬ããŠããŸããæ¥ã«å¿ãããªã£ãŠãäžæ¬æãªããéããããŠããŸã£
ãŠãäžæãããæç°ããã«ã¯å€±ç€ŒããŠããŸããŸããã
ããããšãããããŸããã
ããŒã¿æŽçã§ã¡ããŒå€å¿ã«ãªã£ãŠããŸãããè¿äºãé
ããªã£ãŠ
ããŸã£ãŠãããŸããã
#ææ¥ããŸãæ¥æã ãšããã®ã«ä»äºã§ã
--
æ¿æ©ãæ
ku...@gssm.otsuka.tsukuba.ac.jp ããwrote:
>[å
šç¥]
ïŒåºŠæéã®ãããªæ°ãããã®ã§ããã
var LIMIT=m*n
ã§%ãšé£ç¹ãããŠmåã®èŠçŽ ãïœåç¹°ãè¿ããšã
ãèšå®ã¯å¿çšçã«ãããããã£ãã§ãããªãã»ã©ã
ãšæããŸãããïŒã€ç€ºããŠé ããŠå匷ã«ãªããŸããã
ãŸãããããããããããŸãã
ã瀌ãé
ããªã£ãŠãããŸããã
--
æ¿æ©ãæ
In message news:YML1b.25$Ce...@news1.dion.ne.jp
"ITAHASHI Kunio" <kunit...@h2.dion.ne.jp> wrote ...
> äžã®ã¹ã¯ãªããã§
> for (i=0; i < n; i++) {
> ã®foræã«äœ¿ãããŠããå€æ° i ã¯ãã®åŸã©ãã«ãåºãŠæ¥ãª
> ãã®ã§ãããã©ããžè¡ã£ãŠäœãããŠããã§ããããïŒ
ãããã¿ãŸãããã¯ããã«èšæ£ã§ãã
> for (i=0; i < n; i++) {
ããã¯ãä»ã§ i ã䜿ãããŠãããããããŸããã®ã§ã
for (var i=0; i < n; i++) {
ã®æ¹ãè¯ãã£ãã§ããã
# ãããã¯ãæå㧠var i; ãšããŠãã ããã
i ã«ã€ããŠã§ãããn åã®ã«ãŒããè¡ãããã®å€å®ã«äœ¿ãããŠ
ãã以å€ã¯ãã©ãã«ã䜿ãããŠããŸããã
å€æ°ãçšããŠããã®ã¯ãfor æã ãš n åã®ã«ãŒããå®çŸãã
ããã«ã¯ãn åç¹°ãè¿ãå®è¡ãããã©ããããäœããã®æ¹æ³ã§
å€å®ããå¿
èŠãããããã§ãã
n åç¹°ãè¿ãå®è¡ããã調ã¹ãããã«ã¯ãé©åœãªå€æ°ãã«ãŠã³ã
ã¢ããããŠããã®å€æ°ã n åã«éãããã©ãããå€å®ããã®ã
äžè¬çã§ãä»åã®å Žåã
(1) i ã 0 ã§åæå
(2) i ã n ããå°ãããã° { } å
ãå®è¡ãã(3) ãžé²ãã
ããã§ãªãã£ãã(i ã n 以äžã ã£ãã)ã(4) ãžé²ãã
(3) i ã +1 ã«ãŠã³ãã¢ããããŠã(2) ãžæ»ãã
(4) for æãçµäºãã(ã«ãŒããæãã)ã
ãšãã£ãå¶åŸ¡ã for æã§è¡ãããã®å€å®ã«ãi ã䜿ãããŠããŸãã
# i 㯠n ã 30*5=150 ãªã®ã§ã0,1,2,...,147,148,149 ãšé²ã¿ã
# { } å
ã150åå®è¡ãããæç¹ã§ 149 ã§ãã®ã§ã(3) 㧠+1
# ãããŠã(2) ã«æ»ã£ãŠ i < n ãå€å®ãã150 < 150 ãšãªããã
# æ¡ä»¶ãæç«ããã« (4) ã«å¶åŸ¡ã移ã£ãŠãã«ãŒããæããŸãã
ä»åã®ã±ãŒã¹ã§ã¯ãããªãããã i ã¯äœ¿çšããå¿
èŠã¯ãªããŠã
æå㧠n ãæ±ããŠããŠã以åŸãã«ãŒãåæ°ã®å€å®ä»¥å€ã«ã¯äœ¿ã
ããŠããªãããšããããã® n ãã«ãŠã³ãããŠã³ããããšã§ã
n åã®ã«ãŒããå®çŸã§ããŸãã
ãã®å Žåãn ã¯æ¢ã«åæåãããŠãããå€å®æ¡ä»¶ãšããŠã¯ã
n ã åæå€ 150 ããå§ãŸã£ãŠã1åã«ãŒããå®è¡ããŠãã
1ã«ãŠã³ãããŠã³ãããš149ãšãªãã150åã«ãŒããç¹°ãè¿ããšã
150åç®ã®ã«ãŒããå®è¡ããŠ1ã«ãŠã³ãããŠã³ãããšã
0ã«ãªããŸãã
ã€ãŸããn ã¯åæåæžã¿ã§ãn ã 0 ãã倧ãããšãåŠçã
ç¹°ãè¿ããååŠçåŸ 1 ã¥ã€ã«ãŠã³ãããŠã³ããŠã0 以äžã§
æããããã«ããã°ã150åã®ã«ãŒããå®çŸã§ãããšãã
ããšã«ãªããããã for æã§è¡šçŸãããš
for ( ; n > 0; n--) {
ïœ
}
ãšãªããŸãã
ãã¡ãããn ã®åæå㯠for æã§è¡ã£ãŠãããŸããªãã®ã§ããã
for (var n = 30 * synd.length; n > 0; n--) {
ïœ
}
å°ãé·ããªããŸãã®ã§ã奜ã¿ã®æ¹ã§è¯ãããšæããŸãã
--
æç°
sugi...@bk.iij4u.or.jp