Template:J

J {{js {{ {{documentation}}
 * {{#if: {{{1|}}} | {{#ifexpr: {{{1}}} > 20 | 2 | {{{1}}} }} | 0 }}
 * if: {{{1|}}} | {{#ifexpr: {{{1}}} > 10 | &#32;× {{ #expr: {{{1}}} / 2 }} }} }}{{ #if: {{{notag|}}} || ) }}