valueOf() clear solution for Lightbulb Intro by lolucky - javascript coding challenges

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valueOf() solution in Clear category for Lightbulb Intro by lolucky

var sumLight=T=>T.reduce((a,t,i,_,v=t.valueOf())=>i%2?a[0]+v-a[1]:[a,v],0)/1000

Nov. 14, 2020

Comments:

vincent.tscherter on Jan. 25, 2021, 1:38 p.m.
<pre class='brush: javascript'>var sumLight = T => T.reduce((a,t,i,_,v=t.valueOf())=>i%2?a[0]+v-a[1]:[a,v],0)/1000 </pre> <p>there is no need for v</p> <pre class='brush: javascript'>var sumLight = e => e.reduce((a,c,i) => a + (i%2?1:-1)*c.getTime(), 0)/1000 </pre>

lolucky on Jan. 25, 2021, 11:13 p.m.
<p>Yah, I don't know why I waited until next iteration to subtract out the time.</p>

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