ex05-04-4

実行結果

0.1
0.2
0.30000000000000004
0.4
0.5
0.6
0.7
0.7999999999999999
0.8999999999999999
0.9999999999999999
1.0999999999999999
1.2
1.3
1.4000000000000001
1.5000000000000002
1.6000000000000003
1.7000000000000004
1.8000000000000005
1.9000000000000006
2.0000000000000004
2.1000000000000005
2.2000000000000006
2.3000000000000007
2.400000000000001
2.500000000000001
2.600000000000001
2.700000000000001
2.800000000000001
2.9000000000000012
3.0000000000000013
3.1000000000000014
3.2000000000000015
3.3000000000000016
3.4000000000000017
3.5000000000000018
3.600000000000002
3.700000000000002
3.800000000000002
3.900000000000002
4.000000000000002
4.100000000000001
4.200000000000001
4.300000000000001
4.4
4.5
4.6
4.699999999999999
4.799999999999999
4.899999999999999
4.999999999999998
5.099999999999998
5.1999999999999975
5.299999999999997
5.399999999999997
5.4999999999999964
5.599999999999996
5.699999999999996
5.799999999999995
5.899999999999995
5.999999999999995
6.099999999999994
6.199999999999994
6.299999999999994
6.399999999999993
6.499999999999993
6.5999999999999925
6.699999999999992
6.799999999999992
6.8999999999999915
6.999999999999991
7.099999999999991
7.19999999999999
7.29999999999999
7.39999999999999
7.499999999999989
7.599999999999989
7.699999999999989
7.799999999999988
7.899999999999988
7.999999999999988
8.099999999999987
8.199999999999987
8.299999999999986
8.399999999999986
8.499999999999986
8.599999999999985
8.699999999999985
8.799999999999985
8.899999999999984
8.999999999999984
9.099999999999984
9.199999999999983
9.299999999999983
9.399999999999983
9.499999999999982
9.599999999999982
9.699999999999982
9.799999999999981
9.89999999999998
9.99999999999998
10.09999999999998
10.19999999999998
10.19999999999998で停止。

ソース

let x = 0;
let counter = 0;// 無限ループになってしまって困る方が出るので、追加しました。(訳者)
while(true) {
  x += 0.1;
  console.log(x);
  if(x === 0.3) break;

	if (counter++ > 100) break; // 無限ループになってしまって困る方が出るので、追加しました。(訳者)
}
console.log(`${x}で停止。`);