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To make sure its a whole number and not something like 2.56584<br />
.floor rounds down to the nearest whole number<br />
.ceil rounds up to the nearest whole number
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To make sure its a whole number and not something like 2.56584
.floor rounds down to the nearest whole number
.ceil rounds up to the nearest whole number

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why is 5+1 needed instead of just 6?
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<div class="content wysiwyg-content">
I have a fairly simple question:<br />
<br />
Please explain the following based on this:<br />
<br />
Math.floor(Math.random()*5<wbr />+1); &nbsp;-- I understand this gives me a random number from 0 up to and including 5. <br />
<br />
why is math.floor needed?<br />
why is 5+1 needed instead of just 6?
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</div>


I have a fairly simple question:

Please explain the following based on this:

Math.floor(Math.random()*5+1);  -- I understand this gives me a random number from 0 up to and including 5. 

why is math.floor needed?
why is 5+1 needed instead of just 6?

math.random question

JavaScript is a dynamic, object-based language commonly used for client-side scripting in web browsers. Recently, server side JavaScript frameworks have also emerged. JavaScript runs on nearly every operating system and  in almost every mainstream web browser.