GitHub - mmig/text-caret-pos: xy coordinates of a textarea or input's caret

createDiv(options) : void create faux DIV - options (Options): [OPTIONAL] additional options (see below) measureFontZoom() : number calculate a "font zoom": zoom that is applied "by the environment" and not set by the CSS/HTML itself (e.g. some Android variants allow setting a font zoom in the system settings). If not "font zoom" is detected, returns 1 by default (i.e. no scaling). styleDiv(elemen

[efcl]

textareaの特定の文字の位置と高さを計算して返すライブラリ。 隠しdivで描画してスタイル計算をする