{"id":10828,"date":"2022-09-25T03:23:12","date_gmt":"2022-09-24T21:53:12","guid":{"rendered":"http:\/\/jassweb.com\/solved\/solved-i-cant-get-form-submit-to-work-in-html-javascript\/"},"modified":"2022-09-25T03:23:12","modified_gmt":"2022-09-24T21:53:12","slug":"solved-i-cant-get-form-submit-to-work-in-html-javascript","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-i-cant-get-form-submit-to-work-in-html-javascript\/","title":{"rendered":"[Solved] I can’t get form submit to work in html \/ JavaScript"},"content":{"rendered":"

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You can use the javascript<\/code> methods onchange<\/code> or onkeydown<\/code> to trigger input from the input field, you don’t need to submit a form. But in case you needed just that I added the example. I used jQuery<\/code> instead of plain javascript<\/code> to write the functions because now they practically become one-line<\/code> functions.<\/p>\n

onchange<\/code> will wait for the user to press enter or for the input element to loose focus to call the function.<\/p>\n

onkeydown<\/code> will call the function on every key press.<\/p>\n

e.preventDefault()<\/code> cancels the default action of the element, which in this case is a submit action, and lets us make the decision through code whether to submit or not.<\/p>\n

Below are some javascript\/jQuery<\/code> test functions and a sample HTML<\/code> file so you can test out what works best for you.<\/p>\n

EDIT:<\/strong> I added some examples on how to store the current value of an input field into a variable<\/p>\n<\/p>\n

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\/\/ get the Value of input element directly into a variable\r\nvar myVariable = $('#theInput_1').val();\r\n\r\n\/\/ myVariable will return empty string since the input element is empty\r\nconsole.log('This is the starting value of the 1st input element: ' + myVariable);\r\n\r\n\r\n\/\/ Function for onkeydown test\r\nfunction testKeyDown()\r\n{\r\n  \/\/ stored in a variable which is not available outside the function\r\n  var myVariable = $('#theInput_1').val();\r\n  $('#paraOne').text(myVariable);\r\n  \r\n  \/\/ test output - $('#theInput_1').val() will return empty\r\nconsole.log('This is the changed value of the 1st input element: ' + myVariable);\r\n}\r\n\r\n\/\/ Function for onchange test\r\nfunction testOnChange()\r\n{\r\n  $('#paraTwo').text($('#theInput_2').val());\r\n}\r\n\r\n\/\/ Function for submit test\r\n$( \"#submit\" ).on( \"click\", function(e)\r\n{\r\n  e.preventDefault(); \/\/ Prevents default action of submit\r\n  $('#paraThree').text($('#theInput_3').val());\r\n});<\/code><\/pre>\n
<!DOCTYPE html>\r\n<html>\r\n<head>\r\n<title>Title of the document<\/title>\r\n<script src=\"https:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/2.1.1\/jquery.min.js\"><\/script>\r\n<\/head>\r\n\r\n<body>\r\n\r\n<p id=\"paraOne\">This text will be replaced on success.<\/p>\r\n<input type=\"text\" id=\"theInput_1\" onkeydown=\"testKeyDown();\" size=\"50\" value=\"\" placeholder=\"onkeydown test\" \/>\r\n\r\n<p id=\"paraTwo\">This text will be replaced on success.<\/p>\r\n<input type=\"text\" id=\"theInput_2\" onchange=\"testOnChange();\" size=\"50\" value=\"\" placeholder=\"onchange test\" \/>\r\n\r\n<p id=\"paraThree\">This text will be replaced on success.<\/p>\r\n<form>\r\n<input type=\"text\" id=\"theInput_3\" size=\"50\" value=\"\" placeholder=\"form submit test\" \/>\r\n<input type=\"submit\" id=\"submit\" value=\"Submit me\" \/>\r\n<\/form>\r\n\r\n<\/body>\r\n<\/html><\/code><\/pre>\n<\/div>\n<\/div><\/div>\n
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solved I can’t get form submit to work in html \/ JavaScript <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] You can use the javascript methods onchange or onkeydown to trigger input from the input field, you don’t need to submit a form. But in case you needed just that I added the example. I used jQuery instead of plain javascript to write the functions because now they practically become one-line functions. onchange will … 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":[346,333,2968,1080],"class_list":["post-10828","post","type-post","status-publish","format-standard","hentry","category-solved","tag-html","tag-javascript","tag-submit","tag-text"],"yoast_head":"\n[Solved] I can't get form submit to work in html \/ JavaScript - 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-i-cant-get-form-submit-to-work-in-html-javascript\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] I can't get form submit to work in html \/ JavaScript - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] You can use the javascript methods onchange or onkeydown to trigger input from the input field, you don’t need to submit a form. 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