1\u4f4d\u304b\u308920\u4f4d\u306e\u30e9\u30f3\u30ad\u30f3\u30b0\u5185\u3067JavaScript\u3092\u7528\u3044\u3066\u30e9\u30f3\u30c0\u30e0\u306b\u8868\u793a\u3055\u305b\u305f\u304b\u3063\u305f\u3002\u3064\u307e\u308a\u7279\u5b9a\u306e\u7bc4\u56f2\u5185\u304b\u3089\u6570\u5024\u304c\u88ab\u3089\u305a\u306b\u30e9\u30f3\u30c0\u30e0\u306b\u53d6\u308a\u51fa\u3057\u305f\u3044\u3002\u4ee5\u4e0b\u306b\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u30e1\u30e2\u3002<\/p>\n
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<\/p>\n
const array = [];\r\nconst limit = 5;\r\nfor( let i = 0; i < limit; i++ ){ \/\/0\uff5elimit\u307e\u3067\u306e\u6574\u6570\u3092\u9806\u756a\u306b\u914d\u5217\u306b\u683c\u7d0d\r\n array[i] = i + 1;\r\n}\r\n\r\nconst shuffle_array = []; \/\/\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5024\u3092\u5165\u308c\u308b\u914d\u5217\u306e\u5ba3\u8a00\r\nlet random_key; \/\/\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5024\u3092\u5165\u308c\u308b\u5909\u6570\u306e\u5ba3\u8a00\r\n\r\nfor( let i = 0; i < limit; i++ ){ \/\/ 0\uff5elimit\u307e\u3067\u30eb\u30fc\u30d7\r\n random_key = Math.floor(Math.random()*array.length); \/\/\u5909\u6570\u306b\u6307\u5b9a\u3057\u305f\u7bc4\u56f2(1-20)\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u6574\u6570\u5024\u3092\u5165\u308c\u308b\r\n shuffle_array[i] = array[random_key]; \/\/\u914d\u5217\u3078\u6307\u5b9a\u3057\u305f\u7bc4\u56f2(1-20)\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u6574\u6570\u5024\u3092\u5165\u308c\u308b\r\n array.splice(random_key, 1); \/\/\u9806\u756a\u306b\u6574\u6570\u3092\u5165\u308c\u3066\u3044\u305f\u914d\u5217\u304b\u3089\u3001\u30e9\u30f3\u30c0\u30e0\u5909\u6570\u306b\u3042\u305f\u308b\u8981\u7d20\u3092\u524a\u9664\r\n}\r\nconsole.log(shuffle_array); \/\/Array(5) [ 2, 3, 4, 5, 1 ]<\/pre>\n <\/p>\n
\u53c2\u8003\u30b5\u30a4\u30c8<\/h2>\n