https://developer.mozilla.org/ja/docs/Web/API/SVGLengthList/initialize
SVGLengthList: initialize() メソッド - Web API | MDN
initialize() は SVGLengthList...
web api mdnsvglengthlist
https://developer.mozilla.org/en-US/docs/Web/API/SVGLengthList/initialize
SVGLengthList: initialize() method - Web APIs | MDN
The initialize() method of the SVGLengthList interface clears all existing items from the list and re-initializes the list to hold the single item specified by...
method web apissvglengthlist