JSFiddle - React, Tailwind, and code Playground

by IllusionMH

JavaScript

function printLineNumber(n) {
    console.log('Function called on line: ' + n);
    console.log((new Error).stack);
}

setTimeout( function() {
console.log('timeout');
printLineNumber((new Error).stacktrace.match(/line (\d+),/i)[1]);
}, 1000);

console.log('simple')
printLineNumber((new Error).stacktrace.match(/line (\d+),/i)[1]);