Baseline Widely available
select
ã¤ãã³ãã¯ãããã¹ãã鏿ãããã¨ãã«çºçãã¾ãã
ãã®ã¤ãã³ãåã addEventListener()
ãªã©ã®ã¡ã½ããã§ä½¿ç¨ããããã¤ãã³ããã³ãã©ã¼ããããã£ãè¨å®ããããã¦ãã ããã
addEventListener("select", (event) => { })
onselect = (event) => { }
ã¤ãã³ãå
ä¸è¬ç㪠Event
ã§ãã
<textarea>ãã®è¦ç´ å
ã®ããã¹ãã鏿ãã¦ã¿ã¦ãã ããã</textarea>
<p id="log"></p>
function logSelection(event) {
const log = document.getElementById("log");
const selection = event.target.value.substring(
event.target.selectionStart,
event.target.selectionEnd,
);
log.textContent = `鏿ç¯å²: ${selection}`;
}
const textarea = document.querySelector("textarea");
textarea.addEventListener("select", logSelection);
onselect ã«ããåçã®å¦ç
ã¤ãã³ããã³ãã©ã¼ã onselect
ããããã£ã§è¨å®ãããã¨ãã§ãã¾ãã
textarea.onselect = logSelection;
仿§æ¸ ãã©ã¦ã¶ã¼ã®äºææ§ é¢é£æ
å ±
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