Baseline Widely available
continue
æã¯ãç¾å¨ã®ã«ã¼ãã¾ãã¯ã©ãã«ä»ãã«ã¼ãã®ç¾å¨å復å¦çä¸ã®æã®å®è¡ãçµäºããæ¬¡ã®å復å¦çã¨ãã¦ã«ã¼ãã®å®è¡ãç¶ãã¾ãã
let text = "";
for (let i = 0; i < 10; i++) {
if (i === 3) {
continue;
}
text = text + i;
}
console.log(text);
// Expected output: "012456789"
æ§æ
continue;
continue label;
label
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ãã®æã®ã©ãã«ã«é¢é£ä»ããããèå¥åã
break
æã¨å¯¾ç
§çã«ã continue
ã¯ã«ã¼ãã®å®è¡ãå®å
¨ã«ã¯çµäºãã¾ããã代ããã«ã
while
ã¾ã㯠do...while
ã«ã¼ãã§ã¯ãæ¡ä»¶å¼ã«ã¸ã£ã³ããã¾ããfor
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ãfor...of
ãfor await...of
ã«ã¼ãã§ã¯ã次ã®å復å¦çã«ã¸ã£ã³ããã¾ããcontinue
æã«ã¯ä»»æã§ã©ãã«ãå«ãããã¨ãã§ããç¾å¨ã®ã«ã¼ãã®ä»£ããã«ã©ãã«ä»ãã«ã¼ãæã®æ¬¡ã®å復å¦çã¸ã¸ã£ã³ããããã¨ãã§ãã¾ãããã®å ´åãcontinue
æã¯ãã©ãã«ä»ãæã®ä¸ã«ããå¿
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continue
æã¯ããã®å¾ã«ã©ãã«ããããã©ããã«é¢ããããã¹ã¯ãªãããã¢ã¸ã¥ã¼ã«ã颿°ã®æ¬ä½ãéçåæåãããã¯ã®ããããæä¸ä½ã§ä½¿ç¨ãããã¨ã¯ã§ãã¾ããããã®é¢æ°ãã¯ã©ã¹ãããã«ã«ã¼ãã®ä¸ã«å«ã¾ãã¦ããå ´åã§ãã§ãã
次ã®ä¾ã§ã¯ã while
ã«ã¼ãã§ i
ã®å¤ã 3 ã§ããã¨ãã«å®è¡ããã continue
æãæã¤ãã®ã示ãã¦ãã¾ãããã£ã¦ã n
㯠1ã3ã7ã12 ã®å¤ãã¨ãã¾ãã
let i = 0;
let n = 0;
while (i < 5) {
i++;
if (i === 3) {
continue;
}
n += i;
}
ã©ãã«ä»ã continue ã®ä½¿ç¨
次ã®ä¾ã§ã¯ãcheckIAndJ
ã¨ã©ãã«ä»ããããæããcheckJ
ã¨ã©ãã«ä»ããããæãå«ãã§ãã¾ãããã continue
ã¨ééãããªããããã°ã©ã 㯠checkJ
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é ããç¶ç¶ãã¾ããcontinue
ã¨ééãããã³ã«ãcheckJ
ã®æ¡ä»¶ã false ãè¿ãã¾ã§ãcheckJ
ã¯å度å復å¦çãã¾ããfalse ãè¿ãããããcheckIAndJ
æã®æ®ããå®éããã¾ãã
ãã continue
ãã©ãã« checkIAndJ
ãæã£ã¦ãããªããããã°ã©ã 㯠checkIAndJ
æã®å
é ããç¶ç¶ãã¾ãã
let i = 0;
let j = 8;
checkIAndJ: while (i < 4) {
console.log(`i: ${i}`);
i += 1;
checkJ: while (j > 4) {
console.log(`j: ${j}`);
j -= 1;
if (j % 2 === 0) continue checkJ;
console.log(`${j} is odd.`);
}
console.log(`i = ${i}`);
console.log(`j = ${j}`);
}
çµæ:
i: 0 // start checkj j: 8 7 is odd. j: 7 j: 6 5 is odd. j: 5 // end checkj i = 1 j = 4 i: 1 i = 2 j = 4 i: 2 i = 3 j = 4 i: 3 i = 4 j = 4æ§æéåã® continue æ
continue
ã¯é¢æ°ã®å¢çãã¾ãããã«ã¼ãå
ã§ä½¿ç¨ãããã¨ã¯ã§ãã¾ããã
for (let i = 0; i < 10; i++) {
(() => {
continue; // SyntaxError: Illegal continue statement: no surrounding iteration statement
})();
}
ã©ãã«ãåç
§ããå ´åã¯ãã©ãã«ä»ãã®æããã® continue
æãå«ãã§ããªããã°ãªãã¾ããã
label: for (let i = 0; i < 10; i++) {
console.log(i);
}
for (let i = 0; i < 10; i++) {
continue label; // SyntaxError: Undefined label 'label'
}
ã©ãã«ä»ãã®æã¯ã«ã¼ãã§ãªããã°ãªãã¾ããã
label: {
for (let i = 0; i < 10; i++) {
continue label; // SyntaxError: Illegal continue statement: 'label' does not denote an iteration statement
}
}
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