Baseline 2024 *
Newly available
beforetoggle
㯠HTMLElement
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã®ã¤ãã³ãã§ãããããªã¼ãã¼è¦ç´ ï¼ããªãã¡æå¹ãª popover
屿§ãããè¦ç´ ï¼ã«ããã¦ã表示ã¾ãã¯é表示ã«ãªãç´åã«çºè¡ããã¾ãã
event.oldState
ããããã£ã«ã¯ closed
ããevent.newState
ããããã£ã«ã¯ open
ãè¨å®ããã¾ããevent.oldState
㯠open
ã«ã event.newState
㯠closed
ã«ãªãã¾ãããã®ã¤ãã³ãåã addEventListener()
çã®ã¡ã½ããã§ä½¿ç¨ããããã¤ãã³ããã³ãã©ã¼ããããã£ãè¨å®ããããã¦ãã ããã
addEventListener("beforetoggle", (event) => {});
onbeforetoggle = (event) => {};
ã¤ãã³ãå
ToggleEvent
ã§ããEvent
ããç¶æ¿ãã¦ãã¾ãã
const popover = document.getElementById("mypopover");
// ...
popover.addEventListener("beforetoggle", (event) => {
if (event.newState === "open") {
console.log("Popover is being shown");
} else {
console.log("Popover is being hidden");
}
});
ãã°ã«ã¤ãã³ãã®åä½ã«é¢ããã¡ã¢
beforetoggle
ã¤ãã³ããåä½ãã¦ãããã¨ãç¹çã«å¤ããã§ããããã¤ãã³ãã«ã¼ãã循ç°ããåã«è¤æ°ã® beforetoggle
ã¤ãã³ããçºè¡ãããå ´åãåä¸ã®ã¤ãã³ãããçºè¡ãããªãã¨ãããã¨ã§ãã
ä¾ãã°æ¬¡ã®ããã«ãªãã¾ãã
popover.addEventListener("beforetoggle", () => {
//...
});
popover.showPopover();
popover.hidePopover();
// `beforetoggle` 㯠1 åããçºè¡ãããªã
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å ±
popover
ã°ãã¼ãã«å±æ§toggle
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