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Javascript version for question https://www.facebook.com/groups/ForumJavaIndonesia/permalink/10151224053403017/

by konglie

HTML

<pre id='x'></pre>

JavaScript

var el = document.getElementById('x');
var s = '';
var c = '*****';

function spasi(l){
    var sp = '';
    for(var i = 0; i < l; i++)
        sp += ' ';
    
    return sp;
}

var i;
for(i = 1; i < c.length; i++)
    s += "\n" + spasi(i) + c;

for(i = c.length; i > 0; i--)
    s += "\n" + spasi(i) + c;

el.innerHTML = s;