console 命令行工具 X clear

console

var text = document.getElementById('text');
document.addEventListener('input',denounce(write,1000));

function denounce(fn,delay) {
  var timer;
  return () => {
    if(timer) {clearTimeout(timer)}
    timer = setTimeout(fn,delay);
  }
}

function write() {
  console.log(text.value)
}

<input id="text"/>