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lines changed Original file line number Diff line number Diff line change 1- const n = 89 ; //任意の整数
1+ const n = 89 ; // 任意の整数
22
33let isPrime = true ;
44if ( n <= 1 ) {
5+ // nが1以下のときは素数でない
56 isPrime = false ;
67}
78
89for ( let i = 2 ; i < n ; i += 1 ) {
9- // nが1以下のときは素数でない
1010 isPrime = isPrime && n % i != 0 ;
1111}
1212
1313if ( isPrime ) {
14- document . write ( `${ n } は素数です。 ` ) ;
14+ document . write ( `${ n } は素数です` ) ;
1515} else {
16- document . write ( `${ n } は素数ではありません。 ` ) ;
16+ document . write ( `${ n } は素数ではありません` ) ;
1717}
Original file line number Diff line number Diff line change @@ -7,8 +7,8 @@ if (n <= 1) {
77}
88
99for ( let i = 2 ; i < n ; i += 1 ) {
10- if ( n % i == 0 ) {
11- isPrime = false ; // 変数には最後に代入した値のみを保持する
10+ if ( n % i === 0 ) {
11+ isPrime = false ;
1212 }
1313}
1414
Original file line number Diff line number Diff line change 11let product = 1 ;
2-
3- for ( let i = 1 ; i <= 10 ; i += 1 ) {
2+ for ( let i = 1 ; i <= 10 ; i += 1 ) {
43 product *= i ;
54}
6-
75document . write ( product ) ;
Original file line number Diff line number Diff line change 11let product = 1 ;
2-
3- for ( i = 1 ; i <= 10 ; i = i + 1 ) {
2+ for ( let i = 1 ; i <= 10 ; i = i + 1 ) {
43 product = product * i ;
54}
6-
75document . write ( product ) ;
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