addEventListener添加事件监听

removeEventListener移除事件监听

window.addEventListener('mousedown', e => this.closeMenu(e))
window.addEventListener('contextmenu', e => this.setPosition(e))

document.getElementById("myBtn").addEventListener("click", myFunction);

function myFunction() {
    document.getElementById("demo").innerHTML = "Hello World";
}

标签：myFunction,window,getElementById,添加,addEventListener,document,监听
来源： https://www.cnblogs.com/tiandi/p/16355262.html