"two" : "three"; } // Add event listener to table const el = document.getElementById("outside"); el.addEventListener("click", modifyText, false); In this code, modifyText() is a listener for click events registered using addEventListener(). A click anywhere in the table bubbles up ...
Listen to these events using addEventListener() or by assigning an event listener to the oneventname property of this interface. In addition to the events listed below, many events can bubble from nodes contained in the document tree. afterscriptexecute Non-standard Deprecated Fired when a stati...
"two" : "three"; } // Add event listener to table const el = document.getElementById("outside"); el.addEventListener("click", modifyText, false); In this code, modifyText() is a listener for click events registered using addEventListener(). A click anywhere in the table bubbles up ...
addEventListener()和removeEventListener():addEventListener()这个函数和事件处理器属性(properties)是类似的,但是语法略有不同。例子:btn.onclick = bgChange;和btn.addEventListener('click', bgChange);是等效的。如果需要,可以使用removeEventListener()删除事件处理器代码,而且如果需要,您可以向同一类型的元素添加多个...
These examples add an event listener for the HTMLMediaElement's play event, then post a message when that event handler has reacted to the event firing.Using addEventListener():jsCopy to Clipboard const video = document.querySelector("video"); video.addEventListener("play", (event) => { con...
Listen to these events using addEventListener() or by assigning an event listener to the oneventname property of this interface. In addition to the events listed below, many events can bubble from nodes contained in the document tree. afterscriptexecute Non-standard Deprecated Fired when a stati...
The mouseout event is fired when a pointing device (usually a mouse) is moved off the element that has the listener attached or off one of its children. General info Specification DOM L3 Interface MouseEvent Bubbles Yes Cancelable Yes Target Element Default Action None Properties PropertyTypeDescri...
"detail", optional and defaulting to null, of type any, that is an event-dependent value associated with the event. The CustomEventInit dictionary also accepts fields from the EventInit dictionary. Example // add an appropriate event listener obj.addEventListener("cat", function(e) { process(e...
It is not possible for content or web context scripts to specify ato communicate directly with an extension (either the background script or a content script). Web or content scriptsusewindow.postMessagewith atargetOriginof"*"to broadcast to every listener, but this is discouraged, since an ext...
window.onresize=(e)=>console.log(e.currentTarget);document.body.onresize=(e)=>console.log(e.currentTarget); html In all three cases, you see theWindowobject logged ascurrentTarget. Specification