For SVG, the namespace URI is http://www.w3.org/2000/svg.
For MathML, http://www.w3.org/1998/Math/MathML.
Some api that work with HTML wont work with these elements. For example, when setting a class in HTML, ele.className = "abc" works, but it wont work for svg & mathml.
Creating SVG/MathML from JS
Always use
createElementNS.For SVG, the namespace URI is
http://www.w3.org/2000/svg. For MathML,http://www.w3.org/1998/Math/MathML.Some api that work with HTML wont work with these elements. For example, when setting a class in HTML,
ele.className = "abc"works, but it wont work for svg & mathml.Instead use
setAttribute.