What is console.log?
问题 What is the use of console.log ? Please explain how to use it in JavaScript, with a code example. 回答1: It's not a jQuery feature but a feature for debugging purposes. You can for instance log something to the console when something happens. For instance: $('#someButton').click(function() { console.log('#someButton was clicked'); // do something }); You'd then see #someButton was clicked in Firebug’s “Console” tab (or another tool’s console — e.g. Chrome’s Web Inspector) when you would click