اسئلة برمجة

I'm creating a basic PHP calculator that lets you enter two values and chose your operator then displays the answer. Everything is working fine except it's not outputting the answer to the browser. Some one can help me, idk why this ...

I'm currently working on a challenge where I create an entire website in a single javascript file. I do this by using document.head.innerHTML and document.body.innerHTML to change the HTML of a page. Most of the javascript is contained in the ...

the below code gives "The number doesn't exist" even when input value matches. Thank you! <input type="number" placeholder="Phone" id="phone" onkeyup="myfunction()"> <div id="msg" style="color:red;"></div> <script> function myfunction() { var phone = document.getElementById("phone").value; var array = [[0123456], [0789]]; if (array.flat().indexOf(phone) != -1) { document.getElementById("msg").innerHTML = "The number already exists"; }else { document.getElementById("msg").innerHTML ...

i have a website where there is a dropdown like below: <li class="dropdown"> <a class="nav-link" href="#" id="shop_submenu" role="button" data-bs-toggle="dropdown" aria-expanded="false"> ...

Evening, Learning on the job, currently doing a new website for my family business. How can I make this drop down navigation menu work on desktop/mobile? I don’t want it too fancy, same design as the main navigation itself, I have fiddled ...

Grid with 3 column Layout containing Title and image, but grid height is limited using grid-auto-rows. <div class="app-list suggestions"> <article> <div class="title">A App</div> <img src="https://via.placeholder.com/150" /> </article> <article> <div ...

guys may you please tell me how to close this gap between images/col? I want to be closer to each other, I tried using offset-2 and offset-1, but that didn't give me good results. Thank you so much for your help, ...

I am making a John Conway's game of life and when I try run it by pressing space, it is actually bigger than what the console shows it to be. I set the div to be exactly 0.1% of the ...

I'm trying to incorporate the idea mentioned in the question, but I'm confused on how to approach the idea. I'm making a card slider with let's say brands such as Ford, dodge, ...etc. I would like to be able to click on ...

When someone clicks on the link on my site, I want the site they go to not to be seen as coming from my site. Sample.. www.mysite.com is my site. and I have such a link on my site. <a href="www.someonessite.com">Someone's website</a> When ...