用js实现九九乘法表

        for(let i=1; i<10; i++){
            for(let j=1; j<i+1; j++){
                // let s = i + '*' + j + '=' + (i*j) + '&nbsp;&nbsp;&nbsp;&nbsp;';
                let s = `${i} * ${j} = ${i*j}`;
                document.write(s);
            }
            document.write('<br/>');
        }