I have a simple number input in react component. I need to make it not accept more than 4 characters. But it doesn't work with maxLength attribute. What else i can do to prevent it taking more than 4 characters.…
Is there any tag in html5 to make drop-down button? How to make navigation bar like drop-down feature in html5? I tried to make it using flexbox property of CSS and select tag of HTML5, but i did not get…
I have a regular input field with input HTML that allows users to enter a time range (minutes and seconds). From 5 seconds to 20 minutes. However, there are error in the field that I would like to correct. As…
I would like the range to toggle itself (minimum / maximum) when I click on the label. Is that possible with only HTML or CSS ? Do I need some JS? I have the following code : <label> This is…
I have a simple code that allows the user to enter minutes and seconds (website is written in react). <div> <span> <input defaultValue="0" maxlength="2"/> </span> <span>m</span> <span> <input defaultValue="10" maxLength='2' /> </span> <span>s</span> </div> But I would like to improve…
let Year = document.getElementById('year').value; let Month = document.getElementById('month').value; let date = document.getElementById("day").value; if(typeof Year !== "number" || typeof Month !== "number" || typeof date !== "number"){ alert("Invalid Date "); } I was expecting no alert as I input numeric values,…
In this code, the onClick handler never gets called: <html> <head> <title>Sample Web Page</title> <link rel="stylesheet" href="css/styles.css"> </head> <body> <form name=sampleform> <div id="mainpage"> <img class="pageframe" src="images/Page 1.jpg" /> <input type="image" class="page2img" src="images/page2-link.jpg" onClick="DisplayPage2()"></input> <input type="image" class="page3img" src="images/page3-link.jpg" onClick="DisplayPage3()"></input> </div> <script>…
Context I'm developing a list of items. I have a form on the top of the list in order to add new items (just 1 input and 1 submit button). Once the form is submitted, I have the next code…
I have 19 inputs and when one of them is changed, all the others reflect the change with a calculation. <input value={mph} onChange={(e) => cmph(e.target.value, setKph, setMps)} <input value={kph} onChange={(e) => ckph(e.target.value, setMph, setMps)} <input value={mps} onChange={(e) => cmps(e.target.value, setKph,…
I have an input element in my html code and I want to access toits value but my javascript code doesn't work. Does anyone have an answer to this ? let inputElem = document.getElementById('username'); let button = document.getElementById('input-btn'); let inputValue…