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I saw a calculator written in PHP on the Internet, but it cannot achieve calculation output. Please help!

As the title says, the source code is as follows <!DOCTYPE html><html><head> Simple calculator</head><body> <?php $num1 = $_GET["num1"]; $num2 = $_GET["num

季風 2018-04-25 17:05:33

button missing

So today I should make a calculator, a web calculator with JS on it, CSS and so on. I recently rewrote all JScries and rechecked some things. Now the calculator button is gone. I wish the website had a calculator on the page that it used to have buttons for. Weirdly aligned, but still a button. But ...

P粉521013123 2024-01-16 21:32:51

IMC Calculator with Switch

IwasworkinginaIMCcalculatortoexercisejs.ThiscalculatorshouldshowstheIMCandamessageacordingtheresultbut,forsomereason,italwaysshowsthedefaultmessage.constform=document.querySelector('#form');form.addEv

P粉231112437 2024-01-10 18:17:15

How to use a calculator correctly?

:root{--offset:30px;}.grid-cols-custom{/*Calculate column width using custom properties and calc()*/grid-template-columns:calc((424px/(100%-var(- -offset)))*100%)calc((608px/(100%-var(--offset)))*100%); In a grid I have two items, one is 424px and the other is 608px. i hope they

P粉046878197 2023-09-19 23:56:39

I encountered some difficulties when developing the WeChat applet calculator. There is an error that I can't figure out, but it seems to be the same as what is written in the video. Please give me some guidance.

I encountered some difficulties when developing the WeChat applet calculator. There is an error that I can't figure out, but it seems to be the same as what is written in the video. I would like to ask for guidance. For example, if you enter: "7+7", the result will be displayed as 14 norma...

會玩的白先森 2018-03-24 16:43:36

The table will grow horizontally instead of vertically

I'm trying to make a calculator and am currently working on HTML and CSS. I'm trying to make the calculator larger both vertically and horizontally. I can easily increase the width to fit the container using width:100% or flex:11100%; however, whenever I try to increase the height with height:100%; ...

P粉087074897 2023-09-15 17:32:14

There will be an error message when entering for the first time, and it will disappear when you click the button.

<meta charset="utf8"><p>Normal year and leap year calculator</p><form> <input type="text" name="num1"> <input type="submit" value

紅紅火火恍恍惚惚 2019-10-08 00:08:23

How do I get my App.js file to work properly?

I'm new to coding so I'm following this tutorial: https://www.sitepoint.com/react-tutorial-build-calculator-app/ I can't render any elements. This is what the console shows when running the web app This is my App.js code: importWrapperfrom"./components/Wrapper.js";importScreenfrom"./c

P粉063039990 2023-09-11 21:07:58

Convert innerhtml to numbers and do calculations

I'm making a simple material calculator but when I sum the values ??I get 27002700 instead of 5400 so I tried pushing it to an array and using .map and Number, I rewrote it about 10 times. I'm out of ideas. constheightValue=document.querySelector(".height-value")consttottalDiv=document.que...

P粉425119739 2024-01-16 18:30:35

angular.js - When using ionic or angularjs to make a calculator, the calculation results cannot be displayed?

index.html: {code...} calculatorCtrl.js: {code...} app.js: {code...}

阿神 2017-05-15 16:57:40

How to align text in HTML to align with each other?

I'm trying to create this for my current code, how do I do it? This is a price calculator and I need an example before I start coding [1]: https://i.stack.imgur.com/2xE4f.png<divclass="grid-item"><thead><td>App -Benutzer</td><br><td>pro7,50€&l

P粉481366803 2023-09-13 19:09:54

New Title: Protecting API Keys: Hidden Methods in Client-Side JavaScript

Right now I'm writing a client-side JavaScript application that makes requests to the USPS Price Calculator API. In order to make this request, I need to provide my API user ID in the requested XML. The tag looks like this: <RateV4RequestUSERID="ThisIsWhereMyUserIdGoes">. My question...

P粉521748211 2023-08-24 10:22:46

Calculate the total price at different percentages for each increment

I'm trying to write a calculator for price estimation like this: 1000MTU the price will be 0.035 so the total will become 352000MTU the price will be 0.034 the total will become 673000MTU the price will be 0.0329 so the total will become 98.79 etc. .....I have written the following code but it is gi...

P粉539055526 2024-04-03 00:13:22

Pass arguments to a specific function in a PHP file on the server side (from JS) and return the result to the JS function that called the function

Basically what I'm doing is creating a graphing calculator (using BokehJS) that currently takes some input via html, then javascript reads the data and does the calculations, then outputs the resulting graph. The problem is that we don't want the user to be able to see all the calculation code. It w...

P粉593649715 2024-01-16 22:27:27

Button activation causes hover effect to malfunction

I've been trying to learn the basics of web development (HTML, CSS, and JS), so I've been trying to make a working Apple calculator. Everything was working fine until I noticed a small bug. At first, the hover effect on the action button worked great, the color became brighter as I hovered. When I p...

P粉548512637 2024-04-01 21:51:26

Laravel Modal does not return data

I don't know why I'm not getting the value from the modal in my Laravel controller. Please check it for me. However, I use the same code for other modes and controllers. It's working and returning the value from the property without any issues. I'm using Laravel8 and php8.1; below is my code. app\Ht...

P粉174151913 2024-03-29 10:31:31

Can I use the automatic generation module of thinkphp5 in Windows 7 system? How to configure and use

明民 2017-10-10 17:04:14

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

劉袁銘 2017-10-10 19:25:59

mcrypt_get_key_size()

To use mcrypt_get_key_size() in php study, how to enable mcrypt_

劉袁銘 2017-10-10 19:47:34

Detecting login status and preventing repeated login status in TP5 - My page is wrong

冥冥之中天注定 2017-10-10 22:49:15

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