Copy TeX code from stackexchange sites by clicking on equations
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// ==UserScript==
// @name Stackexchange TeX copy
// @namespace http://tampermonkey.net/
// @version 2023-12-26
// @description Copy TeX code from stackexchange sites by clicking on equations
// @author joelsleeba
// @match https://math.stackexchange.com
// @icon https://www.google.com/s2/favicons?sz=64&domain=stackexchange.com
// @license AGPL v3
// ==/UserScript==
(function() {
'use strict';
// Your code here...
function handleEquationClick(event) {
event.stopPropagation();
const equation = event.target.closest(".math-container")
if (equation) {
// Wikipedia nicely packs a single <math> element inside each .mwe-math-element classes
const mathScript = equation.querySelector("script[type='math/tex']");
const tex = mathScript.innerText
console.log(tex);
// Do something with the joined alt text here, e.g., display it in an alert:
navigator.clipboard.writeText(tex)
.then(() => {
// Copying succeeded
console.log("TeX copied to clipboard");
})
.catch(err => {
// Copying failed, handle the error
console.error("Failed to copy TeX :", err);
});
} else {
console.log("Clicked element is not within an .mwe-math-element");
}
}
// // Attach the event listener to all descendants of .ltx_Math which are not themselves descendants of .ltx_equation
document.querySelectorAll(".math-container *").forEach(element => {
element.addEventListener("click", handleEquationClick);
});
})();