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debounce's Introduction

Debounce

Un script que solo hace una cosa, ahorrar bytes.

function debounce(callback, wait, callFirst) {
  let timerId;
  let call = callFirst;
  return (...args) => {
    if (call) {
      callback(...args);
      call = false;
      return;
    }
    clearTimeout(timerId);
    timerId = setTimeout(() => {
      callback(...args);
      call = callFirst;
    }, wait);
  };
}
 const fn1 =  debounce(() => { console.log("click")}, 2000)
    fn1();
    fn1();
    fn1(); Solo se ejecuta una vez, cuando terminen todas las llamadas. 
    
 const fn1 =  debounce(() => { console.log("click")}, 2000, true)
    fn1(); Se ejecuta inmediatamente
    fn1();
    fn1(); al terminar la última llamada se ejecuta una vez más. 
    

Ejemplo

Documentación

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