ãã®ä¾ã§ã¯ãããããªã¼ãã¼ API ã®åºæ¬çãªä½¿ãæ¹ã示ãã¦ãã¾ããã¾ãã<div>
è¦ç´ ãããããªã¼ãã¼ã¨ãã¦è¨å®ããããã <button>
ã® popoverTargetElement
ã¨ãã¦è¨å®ãã¾ãã popover
屿§ã¯ "manual"
ã«è¨å®ããã¦ãããããããããªã¼ãã¼ã¯ãã¿ã³ã使ç¨ãã¦éããããªããã°ãªãããããããªã¼ãã¼é åå¤ã鏿ãã¦ãç°¡åãªè§£é¤ãã¯ã§ãã¾ããã
ã¾ããããããªã¼ãã¼ã®è¡¨ç¤ºã¨é表示ã«ä½¿ç¨ãã HTML ã® <button>
è¦ç´ ã¨ãããããªã¼ãã¼ã¨ãªã <div>
è¦ç´ ãå®ç¾©ãã¾ãã ãã®å ´åãããã°ã©ã ã§è¨å®ããäºå®ã§ãããããHTML ã® <button>
è¦ç´ ã« popovertargetaction
屿§ãè¨å®ãããã<div>
è¦ç´ ã« popover
屿§ãè¨å®ãããããå¿
è¦ã¯ããã¾ããã
<button id="toggleBtn">ããããªã¼ãã¼ã®åãæ¿ã</button>
<div id="mypopover">ããã¯ããããªã¼ãã¼ã³ã³ãã³ãã§ãã</div>
JavaScriptã®ã³ã¼ãã§ã¯ãæåã« <div>
ããã³ <button>
è¦ç´ ãåå¾ãã¾ãã æ¬¡ã«ãããããªã¼ãã¼ã«å¯¾å¿ãã¦ãããã©ããã調ã¹ã颿°ãå®ç¾©ãã¾ãã
const popover = document.getElementById("mypopover");
const toggleBtn = document.getElementById("toggleBtn");
// ããããªã¼ãã¼ API ã®å¯¾å¿ã調ã¹ã¾ãã
function supportsPopover() {
return HTMLElement.prototype.hasOwnProperty("popover");
}
ããããªã¼ãã¼ API ã«å¯¾å¿ãã¦ããå ´åãã³ã¼ãã§ã¯ <div>
è¦ç´ ã® popover
屿§ã "auto"
ã«è¨å®ãããã°ã«ãã¿ã³ã®ããããªã¼ãã¼å¯¾è±¡ã¨ãã¾ãã æ¬¡ã«ã<button>
ã® popoverTargetAction
ã "toggle"
ã«è¨å®ãã¾ãã ããããªã¼ãã¼ API ã«å¯¾å¿ãã¦ããªãå ´åã¯ã<div>
è¦ç´ ã®ããã¹ãã³ã³ãã³ãã夿´ãã¦ãã®ç¶æ
ã«ãããã°ã«ãã¿ã³ãé表示ã«ãã¾ãã
if (supportsPopover()) {
// <div> è¦ç´ ã auto ããããªã¼ãã¼ã«è¨å®
popover.popover = "auto";
// ãã¿ã³ããããªã¼ãã¼ã®å¯¾è±¡ãããããªã¼ãã¼ã«è¨å®
toggleBtn.popoverTargetElement = popover;
// ãã®ãã¿ã³ãããããªã¼ãã¼ã®è¡¨ç¤ºãåãæ¿ããããã«è¨å®
toggleBtn.popoverTargetAction = "toggle";
} else {
popover.textContent = "ããããªã¼ãã¼ API ã«å¯¾å¿ãã¦ãã¾ããã";
toggleBtn.hidden = true;
}
ã¡ã¢: ããããªã¼ãã¼è¦ç´ ã¯æ¢å®ã§ã¯é表示ã§ãããAPI ã«å¯¾å¿ãã¦ããªãå ´åãè¦ç´ ã¯ãé常éãã表示ããã¾ãã
ä¸è¨ã®ä¾ã試ãã¦ã¿ã¦ãã ããã ãã¿ã³ãæä½ãã¦ããããªã¼ãã¼ã®è¡¨ç¤ºã¨é表示ãåãæ¿ãã¦ãã ããã "auto" ããããªã¼ãã¼ã¯ãããããªã¼ãã¼ããã¹ãã®å¢çå¤ã鏿ãããã¨ã§ãéãããã¨ãã§ãã¾ãã
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