javascript 自动触发 按键盘操作 trigger 回车键 keyCode 13 1 2 3 4 5 6 HTMLElement.prototype.pressKey = function(code) { var evt = document.createEvent("UIEvents"); evt.keyCode = code; evt.initEvent("keydown", true, true); this.dispatchEvent(evt); } test: 1 2 3 4 5 document.body...