{"id":14,"date":"2023-03-09T04:29:15","date_gmt":"2022-11-18T15:56:25","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/javascript%e3%81%a7%e3%83%93%e3%83%83%e3%83%88%e6%bc%94%e7%ae%97%e5%ad%90%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%99%e3%82%8b\/"},"modified":"2025-07-31T09:04:52","modified_gmt":"2025-07-31T00:04:52","slug":"javascript%e3%81%a7%e3%83%93%e3%83%83%e3%83%88%e6%bc%94%e7%ae%97%e5%ad%90%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/javascript%e3%81%a7%e3%83%93%e3%83%83%e3%83%88%e6%bc%94%e7%ae%97%e5%ad%90%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%99%e3%82%8b\/","title":{"rendered":"\u3010\u5b8c\u5168\u30ac\u30a4\u30c9\u3011JavaScript\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306e\u4f7f\u3044\u65b9\uff1a\u57fa\u790e\u304b\u3089\u5b9f\u8df5\u307e\u3067"},"content":{"rendered":"<h3>\u30a4\u30f3\u30c8\u30ed\u30c0\u30af\u30b7\u30e7\u30f3<\/h3>\n<p>JavaScript\u3067\u306e\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306f\u307b\u3068\u3093\u3069\u6ce8\u76ee\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u5b9f\u969b\u306b\u306f\u975e\u5e38\u306b\u5f37\u529b\u3067\u5e45\u5e83\u3044\u7528\u9014\u304c\u3042\u308a\u307e\u3059\u3002\u6570\u5024\u8a08\u7b97\u3084\u5909\u63db\u306e\u9ad8\u901f\u5316\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3053\u308c\u3089\u3092\u6d3b\u7528\u3057\u3066\u3001\u7279\u5b9a\u306e\u8907\u96d1\u306a\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30b7\u30ca\u30ea\u30aa\u3092\u7f6e\u304d\u63db\u3048\u3001\u30b3\u30fc\u30c9\u3092\u8aad\u307f\u3084\u3059\u304f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u7d42\u308f\u308a\u307e\u3067\u306b\u3001\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306e\u57fa\u672c\u7684\u306a\u7406\u89e3\u3001\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u3068\u306f\u4f55\u304b\u3001\u305d\u3057\u3066\u305d\u308c\u3092\u3069\u306e\u3088\u3046\u306b\u4f7f\u7528\u3059\u308b\u304b\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u524d\u63d0\u6761\u4ef6<\/h2>\n<p>\u3053\u306e\u30ac\u30a4\u30c9\u3092\u59cb\u3081\u308b\u524d\u306b\u3001\u4ee5\u4e0b\u306e\u3082\u306e\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h3>\u6982\u5ff5\u7684\u306a\u5fc5\u8981\u6761\u4ef6<\/h3>\n<ul class=\"post-ul\">\n<li>Very basic understanding about what is binary.<\/li>\n<li>How the logical \u201cand\u201d and \u201cor\u201d operators work and the outcomes of using them.<\/li>\n<li>Understanding of operators and operands.<\/li>\n<\/ul>\n<h3>\u6280\u8853\u7684\u306a\u524d\u63d0\u6761\u4ef6<\/h3>\n<ul class=\"post-ul\">\n<li>[How to use the Javascript developer console][https:\/\/www.digitalocean.com\/community\/tutorials\/how-to-use-the-javascript-developer-console]<\/li>\n<li>[How to code in Javascript][https:\/\/www.digitalocean.com\/community\/tutorial_series\/how-to-code-in-javascript]<\/li>\n<\/ul>\n<h2>Javascript\u3067\u306e\u30d0\u30a4\u30ca\u30ea\u306e\u52d5\u4f5c\u539f\u7406<\/h2>\n<p>\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306f\u30d0\u30a4\u30ca\u30ea\u30ec\u30d9\u30eb\u3067\u52d5\u4f5c\u3059\u308b\u305f\u3081\u3001JavaScript\u304c\u30d0\u30a4\u30ca\u30ea\u5909\u63db\u306b\u63d0\u4f9b\u3059\u308b\u3082\u306e\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u805e\u3053\u3048\u308b\u307b\u3069\u96e3\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u306e\u3067\u3001\u4fe1\u3058\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001toString()\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u4efb\u610f\u306e\u6570\u5b57\u3092\u6587\u5b57\u5217\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">var<\/span> n <span class=\"token operator\">=<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span>\r\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>n<span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>2<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>toString\u95a2\u6570\u306f\u3001\u30d9\u30fc\u30b9\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u5f15\u6570\uff08\u30e9\u30c7\u30a3\u30c3\u30af\u30b9\u3068\u547c\u3070\u308c\u308b\uff09\u30921\u3064\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u30d9\u30fc\u30b9\u306f\u5909\u63db\u306e\u5bfe\u8c61\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u30d0\u30a4\u30ca\u30ea\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u306f\u300c2\u300d\u3092\u30018\u9032\u6570\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u306f\u300c8\u300d\u3092\u300116\u9032\u6570\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u306f\u300c16\u300d\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u300110\u3067\u3042\u308a\u3001\u3057\u305f\u304c\u3063\u306610\u9032\u6570\u5024\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">var<\/span> num <span class=\"token operator\">=<\/span> <span class=\"token number\">18<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">var<\/span> binaryText <span class=\"token operator\">=<\/span> num<span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>binaryText<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>10010<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u79c1\u305f\u3061\u304c\u898b\u308b\u3088\u3046\u306b\u3001\u6570\u502418\u306f\u30d0\u30a4\u30ca\u30ea\u6587\u5b57\u5217\u300c10010\u300d\u306b\u5909\u63db\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<div class=\"post-conf-note\">\n<p class=\"post-conf-desc\">Note<\/p>\n<div>\u30d2\u30f3\u30c8: \u9006\u64cd\u4f5c\uff08\u30d0\u30a4\u30ca\u30ea\u6587\u5b57\u5217\u304b\u3089\u6570\u5024\u3092\u53d6\u5f97\u3059\u308b\uff09\u3092\u884c\u3046\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<br \/>\nparseInt(&#8220;\u30d0\u30a4\u30ca\u30ea\u6587\u5b57\u5217&#8221;,2);<\/div>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u79c1\u305f\u3061\u306e\u5834\u5408\u3001\u300c10010\u300d\u3092\u6570\u502418\u306b\u5909\u63db\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<br \/>\nvar num = 18;<br \/>\nvar binaryText = num.toString(2);<br \/>\nconsole.log(binaryText);<br \/>\nconsole.log(parseInt(binaryText));<\/p>\n<p>\u51fa\u529b\u7d50\u679c<br \/>\n10010<br \/>\n18<\/p>\n<\/div>\n<p>\u3053\u308c\u306fJavaScript\u3067\u30d0\u30a4\u30ca\u30ea\u5909\u63db\u304c\u3069\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3059\u308b\u304b\u306e\u975e\u5e38\u306b\u57fa\u672c\u7684\u306a\u5185\u5bb9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002\u30d0\u30a4\u30ca\u30ea\u5909\u63db\u3092\u77e5\u3089\u306a\u304f\u3066\u3082\u3001\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u3067\u4f5c\u696d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306e\u7d50\u679c\u304c\u3069\u306e\u3088\u3046\u306b\u8a08\u7b97\u3055\u308c\u308b\u306e\u304b\u3092\u7406\u89e3\u3067\u304d\u306a\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u3067\u306f\u3001\u5b9f\u969b\u306b\u8a66\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b<\/h2>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u30d3\u30c3\u30c8\u6f14\u7b97\u306e\u57fa\u672c\u7684\u306a\u6570\u5024\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4f7f\u7528\u3059\u308b\u6570\u5024\u306f1\u30012\u30013\u3067\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u6570\u5024\u306b\u5bfe\u3059\u308b\u30d0\u30a4\u30ca\u30ea\u6570\u306e\u30ea\u30b9\u30c8\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\uff11 \u2192 \uff10\uff10\uff11<\/p>\n<p>2 \u2192 010<br \/>\n2\u3092010\u306b\u5909\u63db\u3059\u308b<\/p>\n<p>\uff13\u2192\uff10\uff11\uff11<\/p>\n<div class=\"post-conf-note\">\n<p class=\"post-conf-desc\">Note<\/p>\n<div>\u6ce8\u610f\uff1a\u5b9f\u969b\u306e\u30d0\u30a4\u30ca\u30ea\u6587\u5b57\u5217\u306f\u6700\u5f8c\u306b 63 \u500b\u306e 0 \u3068 1 \u3067\u69cb\u6210\u3055\u308c\u308b\u305f\u3081\u300164 \u30d3\u30c3\u30c8\u306e\u30d0\u30a4\u30ca\u30ea\u8868\u73fe\u3068\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30b7\u30f3\u30d7\u30eb\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u6700\u5f8c\u306e 3 \u6841\u306e\u307f\u3092\u53d6\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n<h2>\u30d3\u30c3\u30c8\u3054\u3068\u306eAND\u6f14\u7b97\u5b50(&amp;)<\/h2>\n<p>\u30d3\u30c3\u30c8\u5358\u4f4d\u306eAND\u6f14\u7b97\u5b50\u306f\u3001\u8a18\u53f7\u300c&amp;\u300d\u3092\u4f7f\u7528\u3057\u3066\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff08\u6ce8\u610f\uff1a\u975e\u30d0\u30a4\u30ca\u30ea\u5909\u6570\u9593\u306e\u8ad6\u7406AND\u6f14\u7b97\u306b\u306f\u4e8c\u91cd\u306e\u300c&amp;&amp;\u300d\u3092\u4f7f\u7528\u3057\u307e\u3059\uff09\u3002<\/p>\n<p>\u30d3\u30c3\u30c8\u306b\u5bfe\u3057\u3066\u300c&amp;\u300d\u304c\u8fd4\u3059\u3082\u306e\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<p>0\u30680\u3092\u304b\u3051\u308b\u3068\u30010\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\uff11\u3068\uff10\u3092\u8db3\u3059\u3068\u3001\uff10\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>1\uff0b1\uff1d1<\/p>\n<p>\u3053\u308c\u306f\u79c1\u305f\u3061\u306e\u8ad6\u7406 AND \u6f14\u7b97\u306b\u975e\u5e38\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002\u4e21\u65b9\u306e\u6761\u4ef6\u304c\u771f\u306e\u5834\u5408\u306f\u771f\u3092\u8fd4\u3057\u3001\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f\u507d\u3092\u8fd4\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u771f\u306f1\u306b\u7f6e\u304d\u63db\u3048\u3089\u308c\u30010\u306f\u507d\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002<\/p>\n<p>JavaScript\u306f\u3001\u5404\u30d0\u30a4\u30ca\u30ea\u30d3\u30c3\u30c8\u3092\u6bd4\u8f03\u3057\u3066\u7d50\u679c\u306e\u30d0\u30a4\u30ca\u30ea\u6570\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u65701\u3068\u65703\u306e\u30d3\u30c3\u30c8\u3054\u3068\u306e\u8ad6\u7406\u7a4d\uff08AND\uff09\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div>\n<div class=\"post-table\">\n<table>\n<thead>\n<tr>\n<th>Number<\/th>\n<th>Binary equivalent<\/th>\n<th>Binary Bits<\/th>\n<th><\/th>\n<th><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>001<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td>&amp;<\/td>\n<td>&amp;<\/td>\n<td>&amp;<\/td>\n<td>&amp;<\/td>\n<td>&amp;<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>011<\/td>\n<td>0<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td>Result = 1<\/td>\n<td><\/td>\n<td>0 &amp; 0 = 0<\/td>\n<td>0 &amp; 1 = 0<\/td>\n<td>1 &amp; 1 = 1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u7d50\u679c\u306e\u6587\u5b57\u5217001\u309210\u9032\u6570\u306b\u5909\u63db\u3059\u308b\u3068\u3001\u300c1\u300d\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u300c1\u300d\u3068\u300c3\u300d\u306e\u7d50\u679c\u306f\u300c1\u300d\u3067\u3059\u3002JavaScript\u3067\u306f\u5185\u90e8\u7684\u306b\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u3092\u8a8d\u8b58\u3057\u30011\u30683\u3092\u30d0\u30a4\u30ca\u30ea\u5f62\u5f0f\u306b\u5909\u63db\u3057\u3001\u5404\u30d3\u30c3\u30c8\u306b\u5bfe\u3057\u3066\u30d3\u30c3\u30c8\u3054\u3068\u306eAND\u6f14\u7b97\u3092\u9069\u7528\u3057\u3001\u7d50\u679c\u306e\u30d0\u30a4\u30ca\u30ea\u6587\u5b57\u5217\u309210\u9032\u6570\u306b\u5909\u63db\u3057\u307e\u3059\u3002F12\u3092\u62bc\u3057\u3066\u30d6\u30e9\u30a6\u30b6\u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u5165\u529b\u3059\u308b\u3053\u3068\u3067\u3001\u3059\u3070\u3084\u304f\u8a66\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<h2>\u30d3\u30c3\u30c8\u6bce OR\uff08|\uff09<\/h2>\n<p>\u30d3\u30c3\u30c8\u6f14\u7b97\u306eOR\u306f\u300c|\u300d\u3068\u3044\u3046\u30b7\u30f3\u30dc\u30eb\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>\u300c|\u300d\u306f\u3001\u30d3\u30c3\u30c8\u306b\u5bfe\u3057\u3066\u6b21\u306e\u3088\u3046\u306b\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>0\uff0b0\uff1d0<\/p>\n<p>1 | 0 = 1<br \/>\n1\u30680\u306e\u8ad6\u7406\u548c\u306f1\u3067\u3059\u3002<\/p>\n<p>1\uff0b1\uff1d1<\/p>\n<p>\u3053\u308c\u306f\u3001\u8ad6\u7406\u306e OR \u6f14\u7b97\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002\u3069\u308c\u304b\u4e00\u3064\u306e\u6761\u4ef6\u304c\u771f\u3067\u3042\u308c\u3070\u771f\u3092\u8fd4\u3057\u3001\u305d\u3046\u3067\u306a\u3051\u308c\u3070\u507d\u3092\u8fd4\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u771f\u306f1\u306b\u7f6e\u304d\u63db\u3048\u3089\u308c\u30010\u306f\u507d\u306b\u7b49\u3057\u3044\u3068\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u65701\u30683\u306e\u30d3\u30c3\u30c8\u5358\u4f4d\u306eOR\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div>\n<div class=\"post-table\">\n<table>\n<thead>\n<tr>\n<th>Number<\/th>\n<th>Binary equivalent<\/th>\n<th>Binary Bits<\/th>\n<th><\/th>\n<th><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>001<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td>|<\/td>\n<td>|<\/td>\n<td>|<\/td>\n<td>|<\/td>\n<td>|<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>011<\/td>\n<td>0<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td>Result = 3<\/td>\n<td><\/td>\n<td>0 | 0 = 0<\/td>\n<td>0 | 1 = 0<\/td>\n<td>1 | 1 = 1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>\u7d50\u679c\u306e\u6587\u5b57\u5217011\u309210\u9032\u6570\u306b\u5909\u63db\u3059\u308b\u3068\u3001\u51fa\u529b\u306f\u300c3\u300d\u3068\u306a\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u300c1\u300d | \u300c3\u300d\u306e\u7d50\u679c\u306f\u300c3\u300d\u3068\u306a\u308a\u307e\u3059\u3002JavaScript\u306f\u5185\u90e8\u7684\u306b\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u3092\u8a8d\u8b58\u3057\u30011\u30683\u30922\u9032\u6570\u306b\u5909\u63db\u3057\u3001\u5404\u30d3\u30c3\u30c8\u306b\u5bfe\u3057\u3066\u30d3\u30c3\u30c8OR\u3092\u9069\u7528\u3057\u3066\u3001\u5f97\u3089\u308c\u305f2\u9032\u6570\u306e\u6587\u5b57\u5217\u309210\u9032\u6570\u306b\u5909\u63db\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30d3\u30c3\u30c8\u5358\u4f4d\u306e\u6392\u4ed6\u7684\u8ad6\u7406\u548c(XOR)<\/h2>\n<p>\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50 XOR \u306e\u30b7\u30f3\u30dc\u30eb\u306f\u300c^\u300d\u3067\u3059\u3002<\/p>\n<p>\u30d3\u30c3\u30c8\u306b\u5bfe\u3057\u3066\u300c^\u300d\u3092\u9069\u7528\u3057\u305f\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<p>0\u306e0\u4e57\u306f0\u3067\u3059\u3002<\/p>\n<p>1 ^ 0 = 1<\/p>\n<p>1\u306e0\u4e57\u306f1\u3067\u3059\u3002<\/p>\n<p>1 ^ 1 = 0<br \/>\n1\u30681\u306eXOR\u306f0\u3067\u3059\u3002<\/p>\n<p>XOR\uff08\u6392\u4ed6\u7684\u8ad6\u7406\u548c\uff09\u306e\u30eb\u30fc\u30eb\u306f\u3001\u4e21\u65b9\u306e\u30d3\u30c3\u30c8\u304c\u7570\u306a\u308b\u5834\u5408\u306f\u300c1\u300d\u3092\u3001\u305d\u3046\u3067\u306a\u3044\u5834\u5408\u306f\u300c0\u300d\u3092\u8fd4\u3059\u3053\u3068\u3067\u3059\u30021\u30683\u306e\u9593\u306eXOR\u306f2\u3092\u8fd4\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u8aac\u660e\u3057\u307e\u3059\uff1a<\/p>\n<div>\n<div class=\"post-table\">\n<table>\n<thead>\n<tr>\n<th>Number<\/th>\n<th>Binary equivalent<\/th>\n<th>Binary Bits<\/th>\n<th><\/th>\n<th><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>001<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td>^<\/td>\n<td>^<\/td>\n<td>^<\/td>\n<td>^<\/td>\n<td>^<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>011<\/td>\n<td>0<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td>Result = 2<\/td>\n<td><\/td>\n<td>0 ^ 0 = 0<\/td>\n<td>0 ^ 1 = 1<\/td>\n<td>1 ^ 1 = 0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2>\u30d3\u30c3\u30c8\u30b7\u30d5\u30c8\u5de6 (&lt;&lt;)<\/h2>\n<h2>\u69cb\u6587: \u6570\u5b57 &lt;&lt; \u4f4d\u7f6e<\/h2>\n<p>\u30b7\u30d5\u30c8\u6f14\u7b97\u5b50\u306e\u5de6\u5074\u306e\u6570\u5b57\u306f\u5b9f\u969b\u306e\u6570\u5b57\u3092\u8868\u3057\u3001\u6f14\u7b97\u5b50\u306e\u53f3\u5074\u306f\u30b7\u30d5\u30c8\u3059\u308b\u4f4d\u7f6e\u3092\u8868\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u300c5 &lt;&lt; 2\u300d\u3068\u3059\u308b\u3068\u3001JavaScript\u306b\u5bfe\u3057\u3066\u6570\u5b575\u3092\u5de6\u306b2\u3064\u30b7\u30d5\u30c8\u3059\u308b\u3088\u3046\u306b\u6307\u793a\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306fJavaScript\u304c\u5b9f\u969b\u306b\u30b7\u30d5\u30c8\u5de6\u64cd\u4f5c\u3092\u884c\u3046\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li>It converts the number to the binary equivalent. In our case, number 5 will be converted to binary form that is &#8211; 101.<\/li>\n<li>Adds two 00s to the right of the binary string. This will result in 10100 for number 5.<\/li>\n<li>Convert the binary string to a decimal number. In our case, it will be 20. So, js console.log(5&lt;&lt;2); will result in number 20.<\/li>\n<\/ul>\n<h2>\u30d3\u30c3\u30c8\u30b7\u30d5\u30c8\u6f14\u7b97\u5b50\u53f3\u79fb\u52d5 (&gt;&gt;)<\/h2>\n<h2>\u69cb\u6587\uff1a\u6570\u5024 &gt;&gt; \u4f4d\u7f6e<\/h2>\n<p>\u53f3\u30b7\u30d5\u30c8\u6f14\u7b97\u5b50\u306f\u3001\u53f3\u5074\u304b\u30892\u9032\u6570\u3092\u524a\u9664\u3057\u307e\u3059\u3002\u524a\u9664\u3055\u308c\u308b\u6570\u306f\u4f55\u500b\u3067\u3059\u304b\uff1f\u304a\u305d\u3089\u304f\u3059\u3067\u306b\u304a\u6c17\u3065\u304d\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u4f4d\u7f6e\u3068\u3057\u3066\u6307\u5b9a\u3055\u308c\u305f\u6570\u3067\u3059\u3002<\/p>\n<p>\u3053\u3053\u306b\u4f8b\u3092\u6319\u3052\u307e\u3059\u30025\u30922\u3068\u3057\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li>JavaScript will convert 5 to binary equivalent. 101 in our case.<\/li>\n<li>Remove two numbers from the right side. This will result in 101.<\/li>\n<li>Convert the result into decimal. The result will be 1 in our case.<\/li>\n<\/ul>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306f\u6700\u521d\u306f\u3068\u3066\u3082\u8907\u96d1\u306b\u805e\u3053\u3048\u307e\u3059\u304c\u3001\u57fa\u790e\u3092\u7406\u89e3\u3059\u308c\u3070\u975e\u5e38\u306b\u7c21\u5358\u3067\u3059\u3002\u79c1\u305f\u3061\u306f\u300c.toString(2)\u300d\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u4efb\u610f\u306e\u6570\u30922\u9032\u6570\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5909\u63db\u3059\u308b\u3053\u3068\u3067\u3001\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306e\u51fa\u529b\u3092\u7406\u89e3\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306f\u3001\u30aa\u30da\u30e9\u30f3\u30c9\u30922\u9032\u6570\u5f62\u5f0f\u306b\u5909\u63db\u3057\u3066\u304b\u3089\u30d3\u30c3\u30c8\u30ec\u30d9\u30eb\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li>Bitwise AND returns 1 if both the bits are 1 else 0.<\/li>\n<li>Bitwise OR returns 1 if at least one of the bits is 1 else 0.<\/li>\n<li>Bitwise XOR only returns 1 if both operands are different. Otherwise returns 0.<\/li>\n<li>Shift left adds 0s in the end mentioned in the second operand and shift right just removes bits mentioned as the second operands.<\/li>\n<\/ul>\n<p>\u3053\u306e\u77ed\u3044\u7d39\u4ecb\u304c\u3001\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306e\u7406\u89e3\u3068\u3001\u305d\u306e\u7d50\u679c\u304c\u3069\u306e\u3088\u3046\u306b\u8a08\u7b97\u3055\u308c\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u306e\u306b\u5f79\u7acb\u3063\u305f\u3053\u3068\u3092\u9858\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30a4\u30f3\u30c8\u30ed\u30c0\u30af\u30b7\u30e7\u30f3 JavaScript\u3067\u306e\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306f\u307b\u3068\u3093\u3069\u6ce8\u76ee\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u5b9f\u969b\u306b\u306f\u975e\u5e38\u306b\u5f37\u529b\u3067\u5e45\u5e83\u3044\u7528\u9014\u304c\u3042\u308a\u307e\u3059\u3002\u6570\u5024\u8a08\u7b97\u3084\u5909\u63db\u306e\u9ad8\u901f\u5316\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3053\u308c\u3089\u3092\u6d3b\u7528\u3057\u3066\u3001\u7279\u5b9a\u306e\u8907\u96d1\u306a\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30b7\u30ca\u30ea\u30aa\u3092\u7f6e [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[56],"class_list":["post-14","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-javascript"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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