online':'offline')}window.addEventListener('online',alertOnlineStatus)window.addEventListener('offline
从拖动到应用程序文件中获取真实路径的示例: <divid="holder">Dragyourfilehere
file.worker.js';constworker=newWorker();worker.postMessage({a:1});worker.onmessage=function(event){};worker.addEventListener
from'react-native'classAppStateExampleextendsComponent{state={appState:AppState.currentState}componentDidMount(){AppState.addEventListener
('mousedown',function(e){callback(e);document.addEventListener('mousemove',callback);});document.addEventListener
varbutton=document.querySelector('button');button.addEventListener('click',()=>console.log('Clicked!'
cancel');varfavDialog=document.getElementById('favDialog');//UpdatebuttonopensamodaldialogupdateButton.addEventListener
colorPicker.addEventListener("input",updateFirst,false);colorPicker.addEventListener("change",watchColorPicker
("click",function(e){setValue(obj.topic,obj.value+obj.step*sign);});slider.addEventListener("mousedown
('click',function(e){this.select();});input.addEventListener('change',function(e){varvalue=parseFloat
/videos/big_buck_bunny.mp4"autoplay><script>constvideo=document.querySelector('video')video.addEventListener
Example: BackHandler.addEventListener('hardwareBackPress',function(){//this.onMainScreenandthis.goBackarejustexamples
document.getElementById("widthDisplay");lettextElement=document.getElementById("hello");widthSlider.addEventListener
Stoplisteningsubscription.unsubscribe();functionhandler(e){console.log(‘Clicked’,e);}//Setup&beginlisteningbutton.addEventListener
connectionInfo.effectiveType);NetInfo.removeEventListener('connectionChange',handleFirstConnectivityChange);}NetInfo.addEventListener
示例 一种绑定事件监听器的便捷方式: document.addEventListener('click',function()false,true); 在JavaScript1.6中的一些数组函数中使用该标记
("click",function(){decrement(topic);});}if(type==="add"){node.textContent='+';node.addEventListener(
userActivityrestorationHandler:restorationHandler];} 然后在您的React组件上,您可以Linking按照以下方式收听活动 componentDidMount(){Linking.addEventListener
document.getElementById('input'),kern=document.getElementById('kern'),nokern=document.getElementById('nokern');input.addEventListener