我尝试在特定的 TextArea
中使用 JavaScript
模拟 Enter
键。
function enter1() {
var keyboardEvent = document.createEvent('KeyboardEvent');
var initMethod = typeof keyboardEvent.initKeyboardEvent !== 'undefined' ? 'initKeyboardEvent' : 'initKeyEvent';
keyboardEvent[initMethod]('keydown', // event type : keydown, keyup, keypress
true, // bubbles
true, // cancelable
window, // viewArg: should be window
false, // ctrlKeyArg
false, // altKeyArg
false, // shiftKeyArg
false, // metaKeyArg
13, // keyCodeArg : unsigned long the virtual key code, else 0
13 // charCodeArgs : unsigned long the Unicode character associated with the depressed key, else 0
);
document.getElementById('text').dispatchEvent(keyboardEvent);
}
文本区域
:
<textarea id="text"> </textarea>
当我调用enter1()时,TextArea
没有任何反应。为什么会这样?