\hspace - LaTeX spacing command

\hspace{1em}

Renderer support

Package	MathJax	KaTeX	XeTeX
`base`	MathJax: Partial	KaTeX: Partial	XeTeX: Partial
`textmacros`	MathJax: Partial	KaTeX: Partial	XeTeX: Partial

Syntax#

\hspaces*starm:L{1em}dimension

Argspec s m:L — one optional and one mandatory argument. Same argspec in base and textmacros. Reading argspecs

base

\hspace*{1em}

textmacros

\text{a\hspace{1em}b}

textmacros

\text{a\hspace*{1em}b}

Package	Signature	Allowed mode	Notes
`base`	`s m:L`	math	Manual horizontal spacing around symbols or subexpressions in math formulas.
`textmacros`	`s m:L`	text	Used to insert explicit horizontal space in text documents and layouts.

TeXForm parses this entry as prefix syntax; the package determines its argument specification.

\hskip #1exact
Both names are mapped directly to the same MathJax parse method with no extra parameters.
\hskip #1approximate
Plain TeX primitive.

`base`
Input	Case	MathJax	KaTeX	XeTeX
`\hspace{1pt}`	Positive · baseline	Pass	Pass	Pass
`\hspace*{1pt}`	Positive · vary:s[0]	Fail	Pass	Pass
`\hspace 1pt`	Positive · bare[1]	Pass	Fail	Fail
`\hspace{a}`	Negative · neg:L[1]	Fail	Fail	Fail

`textmacros`
Input	Case	MathJax	KaTeX	XeTeX
`\hspace{1pt}`	Positive · baseline	Pass	Pass	Pass
`\hspace*{1pt}`	Positive · vary:s[0]	Fail	Pass	Pass
`\hspace 1pt`	Positive · bare[1]	Pass	Fail	Fail
`\hspace{a}`	Negative · neg:L[1]	Fail	Fail	Fail