{"id":18608,"date":"2022-11-01T10:15:29","date_gmt":"2022-11-01T04:45:29","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-when-i-enter-2-letters-it-searches-about-one-one-i-would-search-about-2-letters-at-once-to-get-value\/"},"modified":"2022-11-01T10:15:29","modified_gmt":"2022-11-01T04:45:29","slug":"solved-when-i-enter-2-letters-it-searches-about-one-one-i-would-search-about-2-letters-at-once-to-get-value","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-when-i-enter-2-letters-it-searches-about-one-one-i-would-search-about-2-letters-at-once-to-get-value\/","title":{"rendered":"[Solved] When I enter 2 letters it searches about one one I would search about 2 letters at once to get value"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-44869097\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"44869097\" data-parentid=\"44868923\" data-score=\"0\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>If I understand what&#8217;s going on, your problem is this line:<\/p>\n<pre><code>var index = code.indexOf(msg[i]);\n<\/code><\/pre>\n<p><code>msg[i]<\/code> is the same thing as <code>msg.charAt(i)<\/code>, which only gives you a single character from the string. If you want to check two characters per index, you need to use <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/String\/substr\"><code>String#substr(start, length)<\/code><\/a> with a <code>length<\/code> argument of <code>2<\/code>:<\/p>\n<pre><code>var index = code.indexOf(msg.substr(i, 2));\n<\/code><\/pre>\n<p>Secondly, you should change your <code>for<\/code> loop if you plan to check 2 characters at a time, to something like this:<\/p>\n<pre><code>for (var i = 0, len = msg.length; i &lt; len; i += 2)\n<\/code><\/pre>\n<p>And lastly, while the line<\/p>\n<pre><code>if (code[index] == undefined)\n<\/code><\/pre>\n<p>does work, a more robust check would be to make sure the <code>index<\/code> itself is valid:<\/p>\n<pre><code>if (index &lt; 0)\n<\/code><\/pre>\n<p>All together, you get this code:<\/p>\n<pre><code>function d() {\n  var  keyy = [\"\u0627\",\"\u0628\",\"\u062a\",\"\u062b\",\"\u062c\",\"\u062d\",\"\u062e\",\"\u062f\",\"\u0630\",\"\u0631\",\"\u0632\",\"\u0633\",\"\u0634\",\"\u0635\",\"\u0636\",\"\u0637\",\"\u0638\",\"\u0639\",\"\u063a\",\"\u0641\",\"\u0642\",\"\u0643\",\"\u0644\",\"\u0645\",\"\u0646\",\"\u0647\",\"\u0648\",\"\u064a\",\" \",\",\"];\n  var code = [\"\u064a1\", \"\u06331\", \"\u06481\",\"\u06391\",\"\u064a2\",\"\u06332\",\"\u06482\",\"\u06392\",\"\u064a3\",\"\u06333\",\"\u06483\",\"\u06393\",\"\u064a4\",\"\u06334\",\"\u06484\",\"\u06394\",\"\u064a5\",\"\u06335\",\"\u06485\",\"\u06395\",\"\u064a6\",\"\u06336\",\"\u06486\",\"\u06396\",\"\u064a7\",\"\u06337\",\"\u06487\",\"\u06397\",\"https:\/\/stackoverflow.com\/\",\",\"];\n\n  var msg = document.getElementById(\"pop\").value;\n  var finalcode = \"\";\n\n  for (var i = 0, len = msg.length; i &lt; len; i += 2)\n  {\n    var index = code.indexOf(msg.substr(i, 2));\n\n    if (index &lt; 0)\n      finalcode += msg.substr(i, 2);\n    else\n      finalcode += keyy[index];\n  }\n\n  document.getElementById(\"p\").innerHTML = finalcode;\n}\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">2<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved When I enter 2 letters it searches about one one I would search about 2 letters at once to get value <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] If I understand what&#8217;s going on, your problem is this line: var index = code.indexOf(msg[i]); msg[i] is the same thing as msg.charAt(i), which only gives you a single character from the string. If you want to check two characters per index, you need to use String#substr(start, length) with a length argument of 2: var &#8230; <a title=\"[Solved] When I enter 2 letters it searches about one one I would search about 2 letters at once to get value\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-when-i-enter-2-letters-it-searches-about-one-one-i-would-search-about-2-letters-at-once-to-get-value\/\" aria-label=\"More on [Solved] When I enter 2 letters it searches about one one I would search about 2 letters at once to get value\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[361,333,720],"class_list":["post-18608","post","type-post","status-publish","format-standard","hentry","category-solved","tag-arrays","tag-javascript","tag-search"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>[Solved] When I enter 2 letters it searches about one one I would search about 2 letters at once to get value - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-when-i-enter-2-letters-it-searches-about-one-one-i-would-search-about-2-letters-at-once-to-get-value\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] When I enter 2 letters it searches about one one I would search about 2 letters at once to get value - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] If I understand what&#8217;s going on, your problem is this line: var index = code.indexOf(msg[i]); msg[i] is the same thing as msg.charAt(i), which only gives you a single character from the string. If you want to check two characters per index, you need to use String#substr(start, length) with a length argument of 2: var ... 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If you want to check two characters per index, you need to use String#substr(start, length) with a length argument of 2: var ... 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