Pastable version of Thousands

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            <pre class="sunburst"><span style="color:#99CF50;">function</span> <span style="color:#89BDFF;">thousdands</span>(<span style="color:#3E87E3;">num, decpoint, sep</span>){
	<span style="color:#E28964;">if</span> (arguments.<span style="color:#CF6A4C;">length</span> <span style="color:#E28964;">==</span> <span style="color:#3387CC;">2</span>) {
		sep <span style="color:#E28964;">=</span> <span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>,<span style="color:#65B042;">&quot;</span></span>;
	}
	<span style="color:#E28964;">if</span> (arguments.<span style="color:#CF6A4C;">length</span> <span style="color:#E28964;">==</span> <span style="color:#3387CC;">1</span>) {
		sep <span style="color:#E28964;">=</span> <span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>,<span style="color:#65B042;">&quot;</span></span>;
		decpoint <span style="color:#E28964;">=</span> <span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>.<span style="color:#65B042;">&quot;</span></span>;
	}
	num <span style="color:#E28964;">=</span> num.<span style="color:#DAD085;">toString</span>();
	a <span style="color:#E28964;">=</span> num.<span style="color:#DAD085;">split</span>(decpoint);
	x <span style="color:#E28964;">=</span> a[<span style="color:#3387CC;">0</span>]; 
	y <span style="color:#E28964;">=</span> a[<span style="color:#3387CC;">1</span>]; 
	z <span style="color:#E28964;">=</span> <span style="color:#65B042;"><span style="color:#65B042;">&quot;</span><span style="color:#65B042;">&quot;</span></span>;
	<span style="color:#E28964;">if</span> (<span style="color:#E28964;">typeof</span>(x) <span style="color:#E28964;">!</span><span style="color:#E28964;">=</span> <span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>undefined<span style="color:#65B042;">&quot;</span></span>) {
		<span style="color:#E28964;">for</span> (i<span style="color:#E28964;">=</span>x.<span style="color:#CF6A4C;">length</span><span style="color:#E28964;">-</span><span style="color:#3387CC;">1</span>; i<span style="color:#E28964;">&gt;=</span><span style="color:#3387CC;">0</span>; i<span style="color:#E28964;">--</span>){z <span style="color:#E28964;">+</span><span style="color:#E28964;">=</span> x.<span style="color:#DAD085;">charAt</span>(i);}
		z <span style="color:#E28964;">=</span> z.<span style="color:#DAD085;">replace</span>(<span style="color:#E9C062;"><span style="color:#E9C062;">/</span>(<span style="color:#CF7D34;">\d</span>{3})<span style="color:#E9C062;">/</span>g</span>, <span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>$1<span style="color:#65B042;">&quot;</span></span> <span style="color:#E28964;">+</span> sep);
		<span style="color:#E28964;">if</span> (z.<span style="color:#DAD085;">slice</span>(<span style="color:#E28964;">-</span>sep.<span style="color:#CF6A4C;">length</span>) <span style="color:#E28964;">==</span> sep){z <span style="color:#E28964;">=</span> z.<span style="color:#DAD085;">slice</span>(<span style="color:#3387CC;">0</span>, <span style="color:#E28964;">-</span>sep.<span style="color:#CF6A4C;">length</span>);}
		x <span style="color:#E28964;">=</span> <span style="color:#65B042;"><span style="color:#65B042;">&quot;</span><span style="color:#65B042;">&quot;</span></span>;
		<span style="color:#E28964;">for</span> (i<span style="color:#E28964;">=</span>z.<span style="color:#CF6A4C;">length</span><span style="color:#E28964;">-</span><span style="color:#3387CC;">1</span>; i<span style="color:#E28964;">&gt;=</span><span style="color:#3387CC;">0</span>; i<span style="color:#E28964;">--</span>){x <span style="color:#E28964;">+</span><span style="color:#E28964;">=</span> z.<span style="color:#DAD085;">charAt</span>(i);}
		<span style="color:#E28964;">if</span> (<span style="color:#E28964;">typeof</span>(y) <span style="color:#E28964;">!</span><span style="color:#E28964;">=</span> <span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>undefined<span style="color:#65B042;">&quot;</span></span> <span style="color:#E28964;">&amp;</span><span style="color:#E28964;">&amp;</span> y.<span style="color:#CF6A4C;">length</span> <span style="color:#E28964;">&gt;</span> <span style="color:#3387CC;">0</span>){x <span style="color:#E28964;">+</span><span style="color:#E28964;">=</span> decpoint <span style="color:#E28964;">+</span> y;}
	}
  	<span style="color:#E28964;">return</span> x;
	}
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