{"id":962,"date":"2020-08-02T08:52:54","date_gmt":"2020-08-02T11:52:54","guid":{"rendered":"https:\/\/www.joemaster.com.br\/tutoriais\/?p=962"},"modified":"2022-12-09T08:17:34","modified_gmt":"2022-12-09T11:17:34","slug":"como-descobrir-os-valores-das-teclas-do-teclado-para-usar-no-javascript","status":"publish","type":"post","link":"https:\/\/www.joemaster.com.br\/tutoriais\/como-descobrir-os-valores-das-teclas-do-teclado-para-usar-no-javascript\/","title":{"rendered":"Como descobrir os valores das teclas do teclado para usar no javascript"},"content":{"rendered":"<p>Hoje precisei descobrir os c\u00f3digos reais de cada tecla, para fazer um buscador, apertando somente enter.<\/p>\n<p>&nbsp;<\/p>\n<p>Usei como base, esse c\u00f3digo para descobrir.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">&lt;!DOCTYPE html&gt;\r\n&lt;html&gt;\r\n&lt;body&gt;\r\n\r\n&lt;p&gt;Press a key on the keyboard in the input field to get the Unicode character code of the pressed key.&lt;\/p&gt;\r\n\r\n&lt;input type=\"text\" size=\"40\" onkeypress=\"myFunction(event)\"&gt;\r\n\r\n&lt;p id=\"demo\"&gt;&lt;\/p&gt;\r\n\r\n&lt;script&gt;\r\n\/* In this example, we use a cross-browser solution, because the keyCode property does not work on the onkeypress event in Firefox. However, the which property does.\r\n\r\nExplanation of the first line in the function below: if the browser supports event.which, then use event.which, otherwise use event.keyCode *\/\r\n\r\nfunction myFunction(event) {\r\n  var x = event.which || event.keyCode;\r\n  document.getElementById(\"demo\").innerHTML = \"The Unicode value is: \" + x;\r\n}\r\n&lt;\/script&gt;\r\n\r\n&lt;\/body&gt;\r\n&lt;\/html&gt;\r\n<\/pre>\n<center><input type=\"button\" name=\"Submit\" value=\"Testar c&oacute;digo\" onClick=\"document.getElementById('divcode').style.display='block';\" style=\"background-color:#FFCC05;border-radius:15px;padding:10px;width:150px;color:#000;\"><br><br><\/center>\n<p id=\"FlLiFeU\"><img decoding=\"async\" loading=\"lazy\" width=\"700\" height=\"432\" class=\"alignnone size-full wp-image-963 \" src=\"https:\/\/www.joemaster.com.br\/tutoriais\/wp-content\/uploads\/2020\/08\/como-descobrir-os-valores-das-teclas-do-teclado-para-usar-no-javascript.jpg\" alt=\"\" srcset=\"https:\/\/www.joemaster.com.br\/tutoriais\/wp-content\/uploads\/2020\/08\/como-descobrir-os-valores-das-teclas-do-teclado-para-usar-no-javascript.jpg 700w, https:\/\/www.joemaster.com.br\/tutoriais\/wp-content\/uploads\/2020\/08\/como-descobrir-os-valores-das-teclas-do-teclado-para-usar-no-javascript-300x185.jpg 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<p>Meu c\u00f3digo que usei foi esse<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"js\">&lt;script&gt;\r\n\/\/buscar com enter\r\nfunction conversarenter(event){\r\nvar tecla=(window.event)?event.keyCode:e.which;\r\nif(tecla == 13) {alert('voc\u00ea apertou ENTER');}  }\r\n&lt;\/script&gt;\r\n\r\ndigite e aperte ENTER&lt;br&gt;\r\n  &lt;textarea name=\"speaktext\" rows=\"3\" wrap=\"VIRTUAL\"  class=\"imp\" id=\"speaktext\" style=\"width:75%;\" type=\"text\" placeholder=\"Escreva algo...\" onKeyDown=\"return conversarenter(event)\"&gt;&lt;\/textarea&gt;<\/pre>\n<center><input type=\"button\" name=\"Submit\" value=\"Testar c&oacute;digo\" onClick=\"document.getElementById('divcode').style.display='block';\" style=\"background-color:#FFCC05;border-radius:15px;padding:10px;width:150px;color:#000;\"><br><br><\/center>\n<p>&nbsp;<\/p>\n<p>Substitua o alert pelo submit de seu formul\u00e1rio<\/p>\n<pre class=\"default prettyprint prettyprinted\"><code><span class=\"atv\">formName.submit();<\/span><\/code><\/pre>\n<div id=\"divcode\" style=\"display:none;z-index:200000001;padding:10px;border-radius:10px;background-color: #0054A1; position:fixed;top:100px;left: 50%;transform: translate(-50%, 0);\">\n  <font color=#fff>Ap\u00f3s clicar em Copy &#8663;<br>O c&oacute;digo fica pronto para testar ou colar onde quiser no  CTRL+V<\/font>\n  <form name=\"codigo\" id=\"codigo\"  method=\"post\" action=\"https:\/\/www.joemaster.com.br\/codigos\/gerar_codigo.php\" target=\"_blank\"><textarea name=\"testarcodigo\" id=\"testarcodigo\"  cols=\"30\" rows=\"30\" wrap=\"VIRTUAL\"><\/textarea><\/form><input type=\"button\" name=\"Submit\" value=\"Testar\" onClick=\"if(document.getElementById('testarcodigo').value ==''){alert('Copie o c\u00f3digo conforme descrito acima!');}else{document.getElementById('codigo').submit();setTimeout(function(){document.getElementById('testarcodigo').value='';document.getElementById('divcode').style.display='none'; }, 1000);}\" style=\"background-color:#FFCC05;border-radius:15px;padding:5px;width:100px;color:#000;\">\n  <input type=\"button\" name=\"Submit\" value=\"Fechar\" onClick=\"document.getElementById('testarcodigo').value='';document.getElementById('divcode').style.display='none';\" style=\"background-color:#FFCC05;border-radius:15px;padding:5px;width:100px;color:#000;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Hoje precisei descobrir os c\u00f3digos reais de cada tecla, para fazer um buscador, apertando somente enter. &nbsp; Usei como base, esse c\u00f3digo para descobrir. &lt;!DOCTYPE html&gt; &lt;html&gt; &lt;body&gt; &lt;p&gt;Press a key on the keyboard in the input field to get the Unicode character code of the pressed key.&lt;\/p&gt; &lt;input type=&#8221;text&#8221; size=&#8221;40&#8243; onkeypress=&#8221;myFunction(event)&#8221;&gt; &lt;p id=&#8221;demo&#8221;&gt;&lt;\/p&gt; &lt;script&gt; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[24],"tags":[217,213,214,4,215,216],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.12 - 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