Prosty program JavaScript wykorzystuj\u0105cy uchwyty (id) do element\u00f3w HTML.<\/p>\n
\r\n<!DOCTYPE html>\r\n<html>\r\n<html lang="pl">\r\n<head>\r\n\r\n\t<meta charset="UTF-8">\r\n\t<meta http-equiv="X-UA-Compatible" content="IE=edge">\r\n\t<meta name="viewport" content="width=device-width, initial-scale=1">\r\n\r\n\t<title>pow & sqrt<\/title>\r\n\t<script type="text\/javascript">\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 +" do kwadratu = " + Math.pow(liczba, 2);\r\n\t\t\tif(liczba>0)\r\n\t\t\t{\r\n\t\t\t\tdocument.getElementById('wynik2').innerHTML="pierwiastek kwadratowy z " + liczba + " = " + Math.sqrt(liczba);\r\n\t\t\t}else{\r\n\t\t\t\tdocument.getElementById('wynik2').innerHTML="";\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t<\/script>\r\n\r\n<\/head>\r\n<body>\r\n\r\n\t<input type="text" id="pole"\/>\r\n\t<input type="submit" value="Sprawd\u017a" onclick="sprawdz()"\/>\r\n\t<div id="wynik">Wpisz dowoln\u0105 liczb\u0119<\/div>\r\n\t<div id="wynik2"><\/div>\r\n\r\n<\/body>\r\n<\/html>\r\n\r\n\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"Prosty program JavaScript wykorzystuj\u0105cy uchwyty (id) do element\u00f3w HTML. <!DOCTYPE html> <html> <html lang="pl"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>pow & sqrt<\/title> <script type="text\/javascript"> function…<\/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":[],"_links":{"self":[{"href":"https:\/\/arduino.net.pl\/index.php\/wp-json\/wp\/v2\/posts\/1531","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arduino.net.pl\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arduino.net.pl\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arduino.net.pl\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/arduino.net.pl\/index.php\/wp-json\/wp\/v2\/comments?post=1531"}],"version-history":[{"count":4,"href":"https:\/\/arduino.net.pl\/index.php\/wp-json\/wp\/v2\/posts\/1531\/revisions"}],"predecessor-version":[{"id":1547,"href":"https:\/\/arduino.net.pl\/index.php\/wp-json\/wp\/v2\/posts\/1531\/revisions\/1547"}],"wp:attachment":[{"href":"https:\/\/arduino.net.pl\/index.php\/wp-json\/wp\/v2\/media?parent=1531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arduino.net.pl\/index.php\/wp-json\/wp\/v2\/categories?post=1531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arduino.net.pl\/index.php\/wp-json\/wp\/v2\/tags?post=1531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}