Functions

Function management functions

debounce

• debounce = (callback{function}, wait{number}, immediate{boolean:false}) : {function}

const onChange = _.debounce(e => {
    console.log(e.target.value);
}, 300);

document.querySelector('#name-input').addEventListener('change', onChange);

throttle

• throttle = (callback{function}, wait{number}, options{!object}) : {function}

const onChange = _.throttle(e => {
    console.log(window.innerWidth);
}, 300);

window.addEventListener('resize', onChange);

once

Generates a function that you can call it many times you want, but only executes once

• once = (callback{function}) : {function}

const double = d => {
    return d * d;
};

const oneTimeDouble = _.once(double);

oneTimeDouble(2); // returns 4
oneTimeDouble(2); // no return