优雅代码积累-99惩罚
document.write([1,2,3,4,5,6,7,8,9].map( e => Array.from({length:e}).map( (_e,i) => `${e} * ${i + 1} = ${e*(i+1)}`).join(' ') ).join('<br/>'));
document.write([1,2,3,4,5,6,7,8,9].map( e => Array.from({length:e}).map( (_e,i) => `${e} * ${i + 1} = ${e*(i+1)}`).join(' ') ).join('<br/>'));