How to apply a timeout if a function hasn't been called 1 of N records in 3 seconds

Question

When a user performs a certain action (typing) I run a function that applies a specific styling to that user in a list of 100s of users. As the user continues to type this funct

Answer 1

Use JavaScript's setTimeout() method to invoke a method to remove the styling after 3 seconds (3000 ms). See below:

var timeout;

function clearStyling() {
    // clear your styling here
};

$("#typingBox").on("keypress", function() {
    clearTimeout(timeout);
    timeout = setTimeout(clearStyling, 3000);
    // do your styling here ...
});