HTMLTextAreaElement: rows プロパティ
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
rows
は HTMLTextAreaElement
インターフェイスのプロパティで、このテキストコントロールのテキストが見える行数を表す正の整数です。これは <textarea>
要素の rows
属性を反映します。
値
正の整数です。既定値は 2
です。
例
js
const textareaElement = document.getElementById("comment");
const textLines = textArea.rows;
textArea.rows = textLines + 2;
仕様書
Specification |
---|
HTML # dom-textarea-rows |
ブラウザーの互換性
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
rows |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
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