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document.addEventListener(“DOMContentLoaded”, () => { const canvas = document.getElementById(“canvas”); const ctx = canvas.getContext(“2d”); const expressionInput = document.getElementById(“expressionInput”); const drawButton = document.getElementById(“drawButton”); const resetButton = document.getElementById(“resetButton”); const saveButton = document.getElementById(“saveButton”); const colorPicker = document.getElementById(“colorPicker”); const gridToggle = document.getElementById(“gridToggle”); let scaleX = 25;…Continue reading