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  1. Hello! I'm looking for some help with my Javascript code. I have a services page with 5 tabs. I used w3schools to obtain and tweak this code as needed. However, I need to link to a specific tab from my home page and I'm having trouble editing the Javascript to make this possible. Here's what I have thus far: Services Page HTML: <div class="col"> <button class="tablinks" onclick="openCity(event, 'nonclinical')"><div class="tab-wrap-blue"><div class="nonclinical" style="height: 90px;"> </div><div class="tablink-head stories mobile-no"><h4>N
  2. BACKGROUND: I recently install nodejs and npm and downloaded a library call xregexp.js Then, I discovered what I did not know. The applications nodejs (node) and npm are primarily designed for server-side Javascript. Now, I am confused. In PHP one can simply include or require PHP from another document file and employ it wherever you like that PHP can be used. When I try to do something similar with xregexp.js I inevitably fail and am told that the script cannot be found. Now, I have node and npm installed above my domain folders so that it can be used with all of my domains. Simpl
  3. QUESTION: Is the following an accurate statement? If not, please clarify how a unicode string literal differs from say, an ASCII string literal. Roddy Untitled-1.html
  4. I copied the game code from w3 schools for a school project, however I wanted to change the turning and moving object from a red square to an image. Now everything works fine but the image does not turn when the object turns, how do I fix this. Here is my code: <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1.0"/> <style> canvas { border:1px solid #d3d3d3; background-color: #f1f1f1; } </style> </head> <body onload="startGame()"> <script> var myGamePiece; functi
  5. Hello, I am using the How to Create Tabs tutorial (https://www.w3schools.com/howto/howto_js_tabs.asp), but I can't get the default tab to work. It seems to work in the Tryit Editor, but even pasting the code as is, it doesn't work. I am using Shopify and have a .js, .css, and a .liquid (page template) document. Other changes on the pages seem to take affect. {{ 'tabs.js' | asset_url | script_tag }} {{ 'tabs.css' | asset_url | stylesheet_tag }} {% include 'breadcrumb' %} <meta name="viewport" content="width=device-width, initial-scale=1"> <div class="grid"
  6. I'm trying to create a form that allows for calculation of metabolic rate. There is an if,then statement related to gender (formula changes if female vs male) I'd also like the result to be targeted to a specific part of the page (anchor). Ideally a new section can appear (maybe need to link a new page?) to provide further details Below is my code, any help would be so appreciated!! <head> <style> body { font: 15px gothic, sans-serif; letter-spacing: 1px; } input { width: 100%; } input[type=number] { border: none; border
  7. Hello. Any one here as experience with ionic 4 and express? I'm trying to do something simple: A simple login form for the user to enter login and password and a connect button. Once the user click on connect to send the data to the server. I wanna see the data on the server side maybe using an alert. Can anyone help me with that? It's been a couple of days I'm trying it. Please notice that I'm not trying something complex and the goal is to understand the concept, therefore the use of error handling, or whatever other utility to make the connection strong isn't necessary at al
  8. BACKGROUND: Recently I discovered a nifty Javascript function that counts the like values of an index array and returns as its value an object whose property-value pairs consist of a single repeated value and its corresponding frequency. Unfortunately, I am having trouble understanding how the function works. As I have adapted it to fit my own needs I have changed the variable names. Indeed, this change may be the source of my own confusion. The FUNCTION: function dateCounter(dates) { return dates.reduce( (countDates, date) => { countDates[da
  9. I am needing to convert an String input into an Integer. But before converting the String input, i have to do a validation that the String input can be converted to a numeric value. So If it cannot, i need to log a message saying “This cannot”. Then log another new log statement on the next line saying “be a number”. I understand I need a parseInt and isNan and if else statements but I am confused on exactly how they are implemented. I am new to javascript.
  10. I am designing a Sharepoint page with script editor. I have an image which I have used area tag on. So with onmouseover another image pops up and it reverts back onmouseout. I further want to use another area tag on this new image onmouseover where I can add area tags on this new image. Something like a nested image map. For description sake. I will use script from w3schools. <img src="planets.gif" width="145" height="126" alt="Planets" name="myname" usemap="#planetmap"> <map name="planetmap"> <area shape="rect" coords="0,0,82,126" onmouseover=myname.s
  11. Hey guys, I know that this is quite a longshot but I hope that there is someone here that can help me. We've had problems with our Store Locator on our homepage for quite a long time since it was missing an API Code (which we got today). The site I'm talking about is this: http://www.melon-helmets.com/en/stores The Problem is: I don't know where to put the API. There is this line of code <script src="http://maps.google.com/maps/api/js?sensor=false" type="text/javascript"></script> My guess was that I'd have to enter the API key after js?, by adding key=ourk
  12. I tried including the 'tab.html' and ‘content.html’ into my 'index.html' (using w3school code: how to include HTML, found at: https://www.w3schools.com/howto/howto_html_include.asp), but the javascript and css elements do not work. The buttons don't work as intended. Look at: https://rads-198409.appspot.com If you minimize the browser window, the tab is supposed to change to a drop-down menu, but the button does not work at all. I have checked the individual pages and they seem to work just fine, just not when they are combined. Am I doing something wrong? Could someone help? All th
  13. HI, I'm using RPC.Query to send a string from js to py. At py receptor this scrash using json.loads(..) de args. The messages error is: "" ... JSONDecoderError(\"Expecting value\", s, err.value) from None\njson.decoder.JSONDecodeEror: Expecting value: line 1 colum1 (char 0)\n", "message": "Expecting value: line 1, column 1 (char 0)"], "Exception_type":"internal_error"}}" "" I do an console.log(..) beford RPC instruction and the string value is ok. That is the code: FROM JS: .... // *JCM* var strcontenido = '';
  14. Is there anyway to make this dropdown menu use onclick instead of hover on small screens. I'm creating a menubar with several dropdowns and a couple sub-dropdowns with-in them and as it is on small screes the menu is too hard to navigate with the hover. https://www.w3schools.com/howto/tryit.asp?filename=tryhow_js_responsive_navbar_dropdown Thanks!
  15. Hi every one, My name is Antoine and I am trying to get all the pictures from a Facebook Page and Instagram Page. I've tried to make a jquery request like $('exemple').load('https://www.facebook.com/pg/stuffedfoxes/photos/ #id'); But it's not working because i don't have any direct id (embedded on the img container). My goal is to get all the 'http' directory of the images and to put them on my web page with my own css code. /* I don't want to use any API*/ Is it possible to load the entire page and filter all the information i need and erased all the others ? /* I'm
  16. Hi, i love the w3school web, I learn for first time coding here and so im fun because I have job with coding relation. But for React so hard to learn with bad english spech knowledge. So the w3school can added new tutorial about React JS? Thanks..
  17. I have used the script for creating an accordion from w3Schools . I would like to add a button somwhere on the page that would collapse all that are open. Even if it is just a reload of the page which would work. <script> var acc = document.getElementsByClassName("accordion"); var i; for (i = 0; i < acc.length; i++) { acc[i].addEventListener("click", function() { this.classList.toggle("active"); var panel = this.nextElementSibling; if (panel.style.display === "block") { pa
  18. Hello, With reference to your "Responsive TopNav" example here: https://www.w3schools.com/howto/tryit.asp?filename=tryhow_js_topnav it works fine for the most part, except that when the "hamburger" icon is used it does not close down again after making a selection. I have included my own slightly modified version of your example, simplified so there are only "home" and "news" menu items, and the hamburger icon will appear when reducing the width below 1000px. How can this be modified to collapse the hamburger links upon making a selection? Thanks... Jon <!DOCTYPE html>
  19. Hello everyone, I'm trying to create a RSA encryption, but seem it is not function correctly. Is Javascript know RSA? like, let rsa = new RSA(); do I have to download from github? here my code: let rsa = new RSA(); let prime = ["2", "3", "5", "7", "11", "13"] //<-- Prime number let random = prime[Math.floor(Math.random() * prime.length)]; let text = document.getElementById("readed"); document.getElementById("en").innerHTML = rsa.encrypt(random, text); Seem console
  20. Hi everyone, I want to make clear again. I am trying to get data from "name" by PHP in HTML, but problem is "name" is used up by Javascript, but I need "name" for PHP's $_POST to get data from input from html, but can I use this "name" by JavaScript and PHP in same time? I need to get data from that word to post in database, but I think I'm stuck now...Anyone can tell me what is alternative keyword to get data from "name" in HTML? If you don't understand what I said, I will display and show you Thanks, Gary
  21. Well, I'm trying to make it so that the slide ends on the last page and shows a sign that whoever's reading has reached the end, but I'm not too experient on JavaScript, could you guys help me on that? Here's the code: <html> <title>Terra Formars</title> <link href="https://www.w3schools.com/w3css/4/w3.css" rel="stylesheet"></link> <style> .mySlides {display:none} </style> <body> <div class="w3-container"> <h2> Leitor BETA</h2> <p>Capítulo 202 de Terra Formars.</p> </div> <div class="w3-center">
  22. Hello! I am looking for some assistance with my drop down panel. When I try to add "<div id="panel"></div> to the "select to filter by type section", it does not toggle the panel at all. Can you tell me what I am doing incorrectly? http://jsfiddle.net/AlanaVibes/xNj9z/92/#&amp;togetherjs=ROVpoPMv4L <html lang="en"> <head> <meta charset="utf-8"> <title>jQuery UI Checkboxradio - Default functionality</title> <link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
  23. Hello people, Im stuck for a long time, I have an what older login system on my site but it had mysql but now i wanted to upgrade it to mysqli. I've came litlle by litlle bit of searcing this far but it still got error's. I really want it to work again beacause i use it on all my sites. Code: <?php // Een beveiliging om te voorkomen dat men in je header.php probeert te openen. if(basename($_SERVER['PHP_SELF']) == "header.php") { header("Location: index.php"); } // Configuratie laden include_once('config.php'); // We maken eerst een classe aan cl
  24. Hay can someone offer some input(it's definitely not mobile friendly what I wrote) in regards to JavaScript and the html form document, I can't recalls the relationship while testing the JavaScript logic, any inputs welcome. Definitely recommend looking at it via desktop mode if on tablet or phone. 🤗 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> </head> <body> <!--FORM_REGISTER--> <div class="one"> <form action=
  25. Hi everyone. Before I want to say, Im trying to make a project Raspberry PI 3 and Nodered. I'm logging my data from device to Litesql everything is ok. I just want to take this data from db and make a chart for a specific time, like today, yesterday, last week, last mont, last year. I found a code, and need to change this code for my project in javascript. Can some one help me. My db name is Test and column name is Value This code is working code, which is I take in internet , and I changed just db name and source. // This will handle any dev
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