// call once every 1000ms
var sec = _.throttle(function () {
console.log('every second');
}, 1000);
// call every 100ms
var hundredMS = _.throttle(function () {
console.log('every one hundred ms');
}, 100);
// a loop for every 33ms
var loop = function () {
setTimeout(loop, 33)
sec();
hundredMS();
};
// start loop
loop();
var throttle = function (func, rate) {
var lastTime = new Date();
func = func || function () {};
rate = rate || 1000;
// the inner method
return function () {
var now = new Date();
if (now - lastTime >= rate) {
func();
lastTime = now;
}
};
};
var sec = throttle(function () {
console.log('one sec');
}, 1000);
// using it in a loop
var loop = function () {
setTimeout(loop, 33);
sec();
};
loop();
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
Lodash | |
Native |
Test name | Executions per second |
---|---|
Lodash | 26975.3 Ops/sec |
Native | 270041.2 Ops/sec |
Overview of the Benchmark
The provided benchmark measures the performance of two approaches for implementing a throttle function in JavaScript:
throttle
function: A utility function from the popular JavaScript library Lodash that throttles the execution of a given function.What is being tested?
The benchmark tests the performance of both approaches in different scenarios:
throttle
function).throttle
function).Options compared
The benchmark compares the performance of:
throttle
function: A pre-built utility function from Lodash that performs the throttle operation.Pros and Cons
throttle
function:Library used
The benchmark uses Lodash's throttle
function in one of the test cases. Lodash is a popular JavaScript library that provides a wide range of utility functions for tasks such as array manipulation, string manipulation, and more. The throttle
function is specifically designed to throttle the execution of a given function at a specified rate.
Special JS feature or syntax
There are no special JavaScript features or syntax used in this benchmark.
Other alternatives
For implementing throttle functions, other popular libraries or frameworks that provide similar functionality include:
debounce
and throttle
functions: Similar to Lodash's throttle function, but with different default behavior.useCallback
and useEffect
hooks: Can be used to implement throttle-like behavior in React applications.In summary, the benchmark provides a simple yet effective way to compare the performance of two approaches for implementing throttle functions: Lodash's pre-built throttle
function and a custom implementation. The results can help developers choose between these options based on their specific use case requirements.