在js中给dom元素添加监听事件:
let dom1document.getElementById("box1");
function box(that){console.log(that);
}
dom1.addEventListener("click",function(){box(1)});一般都是这样,但是还是有第三个参数,Boolean类…
起源
最近打开项目随便点点,控制台就开始报警: Added non-passive event listener to a scroll-blocking ‘mousewheel’ event. Consider marking event handler as ‘passive’ to make the page more responsive 可以看到警告信息是element-ui和echa…