A simple calculator for addition, subtraction, and multiplication that floats on any webpage.
目前为
// ==UserScript==
// @version 0.2
// @name Basic Math Solver
// @namespace https://example.com
// @description A simple calculator for addition, subtraction, and multiplication that floats on any webpage.
// @author nukerboss
// @match http://live.mathletics.com/*
// @match *://live.mathletics.com/*
// @grant none
// ==/UserScript==
// @license MIT
(function() {
'use strict';
// Create a floating calculator div
const calculator = document.createElement('div');
calculator.style.position = 'fixed';
calculator.style.bottom = '20px';
calculator.style.right = '20px';
calculator.style.width = '300px';
calculator.style.padding = '10px';
calculator.style.backgroundColor = '#f0f0f0';
calculator.style.border = '1px solid #ccc';
calculator.style.borderRadius = '10px';
calculator.style.boxShadow = '0px 0px 10px rgba(0,0,0,0.1)';
calculator.style.zIndex = '9999';
calculator.innerHTML = `
<h3>Math Solver</h3>
<input type="text" id="mathInput" placeholder="Enter math problem (e.g., 5+3)" style="width: 90%; padding: 5px; margin-bottom: 10px;" />
<button id="calculateBtn" style="padding: 5px 10px;">Calculate</button>
<div id="result" style="margin-top: 10px; font-weight: bold;"></div>
`;
document.body.appendChild(calculator);
// Add event listener to the calculate button
document.getElementById('calculateBtn').addEventListener('click', function() {
const mathInput = document.getElementById('mathInput').value;
const resultDiv = document.getElementById('result');
try {
// Evaluate the math expression
const result = eval(mathInput);
resultDiv.textContent = `Result: ${result}`;
} catch (error) {
resultDiv.textContent = "Invalid input! Please enter a valid math problem.";
}
});
})();