OneCompiler

PyramidPattern

97

function PyramidPattern(n){
let str='';
for(let i=0;i<n;i++){
for(let j=0;j<(n2)-1;j++){
if(j==n-1 ||i==n-1 ||(j>=n-1-i &&j<=n-1+i)){
str+='
'
}else{
str+=' '
}

}
str+='\n'

}

return str;
}

console.log(PyramidPattern(6))