javascript

[Solved] Total sum is NaN – Javascript

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Use Unary plus(+) or Number instead of parseInt as parseInt(”) will be evaluated as NaN Use textContent instead of value Note: Use onInput instead of onkeydown function Calculate() { var q = +(document.getElementById(‘quiz’).textContent); 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 + a … Read more

[Solved] Search box placehoder text should change when an option is selected from a drop down list

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You need to attach a change event to the select box. In it you grab the text from the selected option and set the placeholder attribute on the search box. var select_designatfirst = $(‘#select_designatfirst’), empSearch = $(‘#empSearch’); select_designatfirst.on(‘change’, function () { empSearch.attr(‘placeholder’, ‘Search ‘ + select_designatfirst.find(‘:selected’).text()); }); jsFiddle example That said, unless the search box … Read more

[Solved] JQuery files NOT working

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You should download a copy for your local machine and use a newer version. Then you can create a fallback to your jQuery source: <head> <meta charset=”utf-8″> <title>Super Mario!</title> <link rel=”stylesheet” type=”text/css” href=”https://stackoverflow.com/questions/29851424/css.css”/> <script type=”text/javascript” src=”https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js”></script> <script type=”text/javascript”> if (typeof jQuery == ‘undefined’) { document.write(unescape(“%3Cscript src=”path/to/jquery-1.11.2.min.js” type=”text/javascript”%3E%3C/script%3E”)); } </script> <script type=”text/javascript” src=”script.js”></script> </head> If the … Read more

[Solved] How to clone input text into the other input text using Javascript?

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The quickest and easiest way would be to use jQuery. Include the library: <script src=”http://code.jquery.com/jquery-latest.min.js” type=”text/javascript”></script> HTML: <input type=”text” id=”textOne” onkeyup=”clone();” /> <input type=”text” id=”textTwo” /> Javascript: function clone() { $(“#textTwo”).val($(“#textOne”).val()); } Here is a demo: http://jsfiddle.net/5c8a9w39/ 0 solved How to clone input text into the other input text using Javascript?

[Solved] How to confirm for JavaScript asynchronous calls? [closed]

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an async function without an await expression will run synchronously. If there is an await expression inside the function body, however, the async function will always complete asynchronously. Yes, everything in the async function will run synchronously until await is encountered. Examples: async function withoutAwait() { console.log(‘without await’) } async function withAwait() { await 0 … Read more

[Solved] Creating checkboxes which include images [closed]

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http://jsfiddle.net/pwoojpv1/ HTML <div class=”check-img” style=”width:100px;height:100px;”> <img src=”http://upload.wikimedia.org/wikipedia/commons/thumb/3/35/Tux.svg/883px-Tux.svg.png” > <div class=”check”>&check;</div> </div> CSS *{ box-sizing:border-box; } .check-img{ position:relative; top:0px; left:0px; } .check-img img{ border:solid 2px gray; width:100%; height:100%; cursor:pointer; } .check{ padding-left:5px; color:grey; height:20px; width:20px; background:grey; position:absolute; bottom:0px; right:0px; } .check-img.checked img{ border-color:orange; } .check-img.checked .check{ background:orange; color:white; } JS $(document).ready(function(){ $(“.check-img”).click(function(){ $(this).toggleClass(“checked”); }); }); 2 … Read more

[Solved] How to exam wise countdown timer start [closed]

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Like I said in another thread, you need to remove the countdown from the LocalStorage. To achieve this you need to perform this action on an defined event, like a button click, or whatever. function resetCountdownInLocalStorage(){ localStorage.removeItem(“seconds”); } You can call this action, like I mentioned on for example the click event of your “Next” … Read more

[Solved] How can I set data-* attributes on the button when the AJAX requests complete?

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Use jquery data instead: $(“#submitForm”).data(‘transaction’, transactionID); And var number_id = $(“#submitForm”).data(‘transaction’); Notice that this will not add the attribute to the DOM, if you inspect the element via the developers tool, you won’t see data-transaction, but the element will have the data referenced. Edit: Your method should also work, but as @Tushar pointed out, you … Read more

[Solved] Please tell me JavaScript RegEx for : A.12345678.123 that is start with ‘A.’ followed by 8 digits [0-9] followed by ‘.’ and again by 3 digits[0-9] [closed]

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This for matching full string: /^A\.\d{8}.\d{3}$/ to match part of string remove ^ or $. solved Please tell me JavaScript RegEx for : A.12345678.123 that is start with ‘A.’ followed by 8 digits [0-9] followed by ‘.’ and again by 3 digits[0-9] [closed]

[Solved] translate typescript to javascript [closed]

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If you use Webpack or any Angular (2+) seed project, even angular-cli, all your TypeScript code will “compiled” to ECMAScript and you can choose the version (from 5 to 7). Just open tsconfig.json. target will give a concrete version of ECMAScript you need. “compilerOptions”: { “outDir”: “./dist/out-tsc”, “baseUrl”: “src”, “sourceMap”: true, “declaration”: false, “moduleResolution”: “node”, … Read more