url — the path or URL to the file. This can also be a Data URL.
onLoad (optional) — will be called when load completes. The argument will be the loaded texture.
onProgress (optional) — will be called while load progresses. The argument will be the ProgressEvent instance, which contains .lengthComputable, .total and .loaded. If the server does not set the Content-Length header, .total will be 0.
onError (optional) — will be called when load errors.
Begin loading from url and pass the loaded texture to onLoad. The method also returns a new texture object which can directly be used for material creation.
Source
For more info on how to obtain the source code of this module see this page.