The EXT_shader_texture_lod extension is part of the WebGL API and adds additional texture functions to the OpenGL ES Shading Language which provide the shader writer with explicit control of LOD (Level of detail).
The non-standard -moz-float-edgeCSS property specifies whether the height and width properties of the element include the margin, border, or padding thickness.
The seekable read-only property of the HTMLMediaElement returns a TimeRanges object that contains the time ranges that the user is able to seek to, if any.