{"id":16322,"date":"2022-10-15T05:12:44","date_gmt":"2022-10-14T23:42:44","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-total-sum-is-nan-javascript\/"},"modified":"2022-10-15T05:12:44","modified_gmt":"2022-10-14T23:42:44","slug":"solved-total-sum-is-nan-javascript","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-total-sum-is-nan-javascript\/","title":{"rendered":"[Solved] Total sum is NaN &#8211; Javascript"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-38643393\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"38643393\" data-parentid=\"38643233\" data-score=\"1\" 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<ul>\n<li>\n<p>Use <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/developer.mozilla.org\/en\/docs\/Web\/JavaScript\/Reference\/Operators\/Arithmetic_Operators#Unary_plus_()\"><code>Unary plus(+)<\/code> or <code>Number<\/code><\/a> instead of <code>parseInt<\/code> as <code>parseInt('')<\/code> will be evaluated as <code>NaN<\/code><\/p>\n<\/li>\n<li>\n<p>Use <code>textContent<\/code> instead of <code>value<\/code><\/p>\n<\/li>\n<li>\n<p>Note: Use <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/Events\/input\"><code>onInput<\/code><\/a> instead of <code>onkeydown<\/code><\/p>\n<\/li>\n<\/ul>\n<div class=\"snippet\" data-lang=\"js\" data-hide=\"false\" data-console=\"true\" data-babel=\"false\">\n<div class=\"snippet-code\">\n<pre class=\"snippet-code-js lang-js prettyprint-override\"><code>function Calculate() {\r\n  var q = +(document.getElementById('quiz').textContent);\r\n  var a = +(document.getElementById('atten').textContent);\r\n  var h = +(document.getElementById('home').textContent);\r\n  var r = +(document.getElementById('reci').textContent);\r\n  var m = +(document.getElementById('me').textContent);\r\n\r\n  var grade = q + a + h + r + m;\r\n\r\n  document.getElementById('td_grade').innerHTML = grade;\r\n}<\/code><\/pre>\n<pre class=\"snippet-code-css lang-css prettyprint-override\"><code>.table-bordered {\r\n  width: auto !important;\r\n  margin-top: 200px;\r\n}<\/code><\/pre>\n<pre class=\"snippet-code-html lang-html prettyprint-override\"><code>&lt;table class=\"table table-bordered\" align=\"center\"&gt;\r\n\r\n  &lt;thead&gt;\r\n    &lt;tr&gt;\r\n      &lt;th width=\"300\"&gt;Name&lt;\/th&gt;\r\n      &lt;th width=\"100\"&gt;Long Quiz 20%&lt;\/th&gt;\r\n      &lt;th width=\"100\"&gt;Attendance 10%&lt;\/th&gt;\r\n      &lt;th width=\"100\"&gt;Homework\/Seatwork 20%&lt;\/th&gt;\r\n      &lt;th width=\"100\"&gt;Recitation 10%&lt;\/th&gt;\r\n      &lt;th width=\"100\"&gt;Major Exam 40%&lt;\/th&gt;\r\n      &lt;th width=\"100\"&gt;Grade&lt;\/th&gt;\r\n      &lt;th width=\"100\"&gt;Equivalent&lt;\/th&gt;\r\n      &lt;th width=\"100\"&gt;Remarks&lt;\/th&gt;\r\n    &lt;\/tr&gt;\r\n  &lt;\/thead&gt;\r\n  &lt;tbody&gt;\r\n    &lt;tr&gt;\r\n      &lt;td&gt;&lt;\/td&gt;\r\n      &lt;td contenteditable=\"true\" oninput=\"Calculate();\" id=\"quiz\"&gt;&lt;\/td&gt;\r\n      &lt;td contenteditable=\"true\" oninput=\"Calculate();\" id=\"atten\"&gt;&lt;\/td&gt;\r\n      &lt;td contenteditable=\"true\" oninput=\"Calculate();\" id=\"home\"&gt;&lt;\/td&gt;\r\n      &lt;td contenteditable=\"true\" oninput=\"Calculate();\" id=\"reci\"&gt;&lt;\/td&gt;\r\n      &lt;td contenteditable=\"true\" oninput=\"Calculate();\" id=\"me\"&gt;&lt;\/td&gt;\r\n      &lt;td id=\"td_grade\"&gt;&lt;\/td&gt;\r\n      &lt;td&gt;&lt;\/td&gt;\r\n      &lt;td&gt;&lt;\/td&gt;\r\n    &lt;\/tr&gt;\r\n  &lt;\/tbody&gt;\r\n&lt;\/table&gt;<\/code><\/pre>\n<\/div>\n<\/div><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">1<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Total sum is NaN &#8211; Javascript <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Use Unary plus(+) or Number instead of parseInt as parseInt(&#8221;) will be evaluated as NaN Use textContent instead of value Note: Use onInput instead of onkeydown function Calculate() { var q = +(document.getElementById(&#8216;quiz&#8217;).textContent); var a = +(document.getElementById(&#8216;atten&#8217;).textContent); var h = +(document.getElementById(&#8216;home&#8217;).textContent); var r = +(document.getElementById(&#8216;reci&#8217;).textContent); var m = +(document.getElementById(&#8216;me&#8217;).textContent); var grade = q + &#8230; <a title=\"[Solved] Total sum is NaN &#8211; Javascript\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-total-sum-is-nan-javascript\/\" aria-label=\"More on [Solved] Total sum is NaN &#8211; Javascript\">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":[333],"class_list":["post-16322","post","type-post","status-publish","format-standard","hentry","category-solved","tag-javascript"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>[Solved] Total sum is NaN - 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-total-sum-is-nan-javascript\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Total sum is NaN - Javascript - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Use Unary plus(+) or Number instead of parseInt as parseInt(&#039;&#039;) will be evaluated as NaN Use textContent instead of value Note: Use onInput instead of onkeydown function Calculate() { var q = +(document.getElementById(&#039;quiz&#039;).textContent); var a = +(document.getElementById(&#039;atten&#039;).textContent); var h = +(document.getElementById(&#039;home&#039;).textContent); var r = +(document.getElementById(&#039;reci&#039;).textContent); var m = +(document.getElementById(&#039;me&#039;).textContent); var grade = q + ... 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var a = +(document.getElementById('atten').textContent); var h = +(document.getElementById('home').textContent); var r = +(document.getElementById('reci').textContent); var m = +(document.getElementById('me').textContent); var grade = q + ... 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