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pattern6.js
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function upper(n)
{
for(let i = 0; i < (n+1)/2; i++)
{
let str = ' ';
let leftstr = i;
for(let j = 0; j<leftstr; j++)
{
str += "* ";
}
let spaces = n - 2*i;
for(let j = 0 ; j<spaces; j++)
{
str += " ";
}
let rightstr = i;
for(let k =0; k<rightstr; k++)
{
str += "* ";
}
console.log(str);
}
}
function middle(n)
{
let str = ' ';
for(i = 0; i<n; i++)
{
str += "* ";
}
console.log(str);
}
function lower(n)
{
for(let i = 0; i<(n+1)/2; i++)
{
let str = ' ';
let leftstr = ((n+1)/2)-i-1
for(let j = 0; j < leftstr ; j++)
{
str += "* ";
}
let spaces = 2*i + 1;
for(let j = 0; j < spaces; j++)
{
str += " ";
}
let rightstr = ((n+1)/2)-i-1;
for(let k = 0; k<rightstr; k++)
{
str += "* ";
}
console.log(str);
}
}
function pattern(n)
{
upper(n);
middle(n);
lower(n);
}
pattern(7);