create javascript pyramid looping for this output:-CodePudding

i have this but it can not resolve the problem:

for (let i = 1; i <= 5; i  ) {
  let line = '';
  for (let j = 1; j <= 5 - i; j  ) {
    line  = '    ';
  }
  for (let k = i; k <= 2 * i - 1; k  ) {
    line  = `${i}`   '      ';
  }
  for (let l = 2 * i - 2; l >= i; l--) {
    line  = `${l}`   '      ';
  }
  console.log(line);
}

.as-console-wrapper { max-height: 100% !important; top: 0; }

This is the output I want:

                1
            2       2
        3       4       3
    4       5       5       4
5       6       7       6       5

It forms an equilateral triangle.

CodePudding user response：

linenumber = 5
for (let i = 1; i <= linenumber; i  ) {
    let line = ''
    for (let space = 1; space <= linenumber-i; space  ){
        line  =  '    ';
    }
    for (let j = 1; j <= i; j  ) {
        let numberadd =  Math.abs(j-1);
        let numberadd2 =  Math.abs(i-j);
        
        if (numberadd > numberadd2){
            numberadd = numberadd2
        }
        line  = i numberadd   '       ';
        
    }
    console.log(line)
}

.as-console-wrapper { max-height: 100% !important; top: 0; }

This is a very simple make a pyramid with an extra sauce. For every cell, you need to its value by closest distance relative to the 'walls'.