18 lines
455 B
JavaScript
18 lines
455 B
JavaScript
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const tx = document.getElementsByTagName("textarea");
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for (let i = 0; i < tx.length; i++) {
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tx[i].setAttribute(
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"style",
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tx[i].getAttribute("style") +
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";height:" +
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(tx[i].scrollHeight + 4) +
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"px;overflow-y:hidden;"
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);
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tx[i].addEventListener("change", resize_textarea, false);
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}
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function resize_textarea(t) {
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t = t instanceof Element ? t : this;
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t.style.height = "auto";
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t.style.height = t.scrollHeight + 4 + "px";
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}
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