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April 1, 2023 16:28
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Running Python in the browser using WebAssembly and Pyodide
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Running Python in the browser using WebAssembly and Pyodide</title> | |
| <script type="text/javascript" src="https://cdn.jsdelivr.net/pyodide/v0.23.0/full/pyodide.js"></script> | |
| </head> | |
| <body> | |
| <h1>Calculate the square of a number using Python in WebAssembly</h1> | |
| <input type="number" id="number" placeholder="Enter a number"> | |
| <button id="calculate">Calculate</button> | |
| <p id="result"></p> | |
| <script> | |
| async function main() { | |
| let pyodide = await loadPyodide(); | |
| console.log('Pyodide is ready to use!'); | |
| // Load and run the Python code | |
| pyodide.globals.set("square", x => x*x) | |
| return pyodide | |
| } | |
| pyodide = main(); | |
| const calculateButton = document.getElementById('calculate'); | |
| const numberInput = document.getElementById('number'); | |
| const resultElement = document.getElementById('result'); | |
| calculateButton.addEventListener('click', () => { | |
| const number = parseInt(numberInput.value); | |
| const result = pyodide.runPython('square('+number+')'); | |
| resultElement.textContent = `The square of ${number} is ${result}.`; | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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