Method onKeydown

* 当按键按下时触发事件 * keydown - > keypress - > keyup * @param element 目标 * @param handler 事件处理函数 * @param option 配置 * @example * // 监听a.xx元素的按键按下 * DOMUtils.keydown(document.querySelector("a.xx"),()=>{ * console.log("按键按下"); * }) * DOMUtils.keydown("a.xx",()=>{ * consol

(
    element: DOMUtilsTargetElementType | Element | DocumentFragment | Window | Node | typeof globalThis,
    handler: (this: HTMLElement, event: DOMUtils_Event["keydown"]) => void,
    option?: boolean | DOMUtilsEventListenerOption
  )