{"id":1531,"date":"2018-04-13T23:13:48","date_gmt":"2018-04-13T21:13:48","guid":{"rendered":"http:\/\/yarogniew.net\/arduino\/?p=1531"},"modified":"2018-04-14T21:13:14","modified_gmt":"2018-04-14T19:13:14","slug":"poznajemy-uchwyty","status":"publish","type":"post","link":"http:\/\/adsl_zapas.dkonto.pl\/index.php\/poznajemy-uchwyty\/","title":{"rendered":"JavaScript, poznajemy uchwyty"},"content":{"rendered":"<p>Prosty program JavaScript wykorzystuj\u0105cy uchwyty (id) do element\u00f3w HTML.<\/p>\n<pre class=\"brush: plain; light: false; title: Kod:; toolbar: true; notranslate\" title=\"Kod:\">\r\n&lt;!DOCTYPE html&gt;\r\n&lt;html&gt;\r\n&lt;html lang=&quot;pl&quot;&gt;\r\n&lt;head&gt;\r\n\r\n\t&lt;meta charset=&quot;UTF-8&quot;&gt;\r\n\t&lt;meta http-equiv=&quot;X-UA-Compatible&quot; content=&quot;IE=edge&quot;&gt;\r\n\t&lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1&quot;&gt;\r\n\r\n\t&lt;title&gt;pow &amp; sqrt&lt;\/title&gt;\r\n\t&lt;script type=&quot;text\/javascript&quot;&gt;\r\n\r\n\t\tfunction sprawdz()\r\n\t\t{\r\n\t\t\tvar liczba = document.getElementById('pole').value;\r\n\t\t\t\/\/ document.write(liczba);\r\n\t\t\tdocument.getElementById('wynik').innerHTML=liczba +&quot; do kwadratu = &quot; + Math.pow(liczba, 2);\r\n\t\t\tif(liczba&gt;0)\r\n\t\t\t{\r\n\t\t\t\tdocument.getElementById('wynik2').innerHTML=&quot;pierwiastek kwadratowy z &quot; + liczba + &quot; = &quot; + Math.sqrt(liczba);\r\n\t\t\t}else{\r\n\t\t\t\tdocument.getElementById('wynik2').innerHTML=&quot;&quot;;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t&lt;\/script&gt;\r\n\r\n&lt;\/head&gt;\r\n&lt;body&gt;\r\n\r\n\t&lt;input type=&quot;text&quot; id=&quot;pole&quot;\/&gt;\r\n\t&lt;input type=&quot;submit&quot; value=&quot;Sprawd\u017a&quot; onclick=&quot;sprawdz()&quot;\/&gt;\r\n\t&lt;div id=&quot;wynik&quot;&gt;Wpisz dowoln\u0105 liczb\u0119&lt;\/div&gt;\r\n\t&lt;div id=&quot;wynik2&quot;&gt;&lt;\/div&gt;\r\n\r\n&lt;\/body&gt;\r\n&lt;\/html&gt;\r\n\r\n\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Prosty program JavaScript wykorzystuj\u0105cy uchwyty (id) do element\u00f3w HTML. &lt;!DOCTYPE html&gt; &lt;html&gt; &lt;html lang=&quot;pl&quot;&gt; &lt;head&gt; &lt;meta charset=&quot;UTF-8&quot;&gt; &lt;meta http-equiv=&quot;X-UA-Compatible&quot; content=&quot;IE=edge&quot;&gt; &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1&quot;&gt; &lt;title&gt;pow &amp; sqrt&lt;\/title&gt; &lt;script type=&quot;text\/javascript&quot;&gt; function&#8230;<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[51],"tags":[],"class_list":["post-1531","post","type-post","status-publish","format-standard","hentry","category-javascript"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Prosty program JavaScript wykorzystuj\u0105cy uchwyty (id) do element\u00f3w HTML. 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[code] pow &amp; sqrt function sprawdz() { var liczba = document.getElementById(&#039;pole&#039;).value; \/\/ document.write(liczba); document.getElementById(&#039;wynik&#039;).innerHTML=liczba +&quot; do kwadratu = &quot; + Math.pow(liczba, 2); if(liczba&gt;0) { document.getElementById(&#039;wynik2&#039;).innerHTML=&quot;pierwiastek kwadratowy z &quot; +\" \/>\n\t\t<meta property=\"og:url\" content=\"http:\/\/adsl_zapas.dkonto.pl\/index.php\/poznajemy-uchwyty\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2018-04-13T21:13:48+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2018-04-14T19:13:14+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"JavaScript, poznajemy uchwyty - Arduino dla strasznych lamer\u00f3w\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Prosty program JavaScript wykorzystuj\u0105cy uchwyty (id) do element\u00f3w HTML. 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