JavaScriptで線や円、四角形などの図形を描画するためのライブラリ「wz_jsgraphics.js」 2007年02月16日- DHTML: Draw Line, Ellipse, Oval, Circle, Polyline, Polygon, Triangle with JavaScript This JavaScript VectorGraphics library provides graphics capabilities for JavaScript: functions to draw circles, ellipses (ovals), oblique lines, polylines and polygons (for instance triangles, rectangles) dynamically into a webpage JavaScriptで線や円