Three.js animation does not work in IE11

Questions
1

Three.js animation does not work in IE11. There are such errors in the console. Is there any way to avoid this error?

THREE.WebGlRenderer: WEBGL_depth_texture extension not supported
THREE.WebGlRenderer: OES_texture_half_float extension not supported
THREE.WebGlRenderer: OES_texture_half_float_linear extension not supported

2

What do you mean with “Three.js animation”?

The posted messages are no errors. They are warnings which indicate that certain WebGL extensions are not supported by the browser. The core of WebGL and thus three.js should still work.