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JavaScript base math.sqrt () square root can only calculate numbers greater than or equal to 0

Source: Internet
Author: User
Tags square root
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Town Field Poem:
The Pure Heart sentiment wisdom language, does not have the world name and the benefit. Learn water under the hundred rivers, give up arrogant slow meaning.
Learn to have a small return to feed root, willing to cast a conscience blog. Sincere in this writing experience, willing to see the text to inspire.
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Code

1 <!DOCTYPE HTML>2 <HTML>3 <Head>4     <Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8"/>5     <title></title>6     <Scripttype= "Text/javascript">7 8         //sqrt9         //the square root can only calculate numbers greater than or equal to 0Ten document.write (Math.sqrt (4) + "<br/>"); One document.write (Math.sqrt (2.4) + "<br/>"); A document.write (Math.sqrt (0) + "<br/>"); - document.write (Math.sqrt (-1) + "<br/>");//This should be for I, but ...  -  the     </Script> - </Head> - <Body> -  + </Body> - </HTML>



Result



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The essence of the blog, in the technical part, more in the town yard a poem. ide:vs2015; Browser: Firefox.
Html+css+js, strong, worth studying hard. The video tutorial of the Preach Intelligence podcast is my Learning Resource, recommended.
If there are any improvements to the blog post, please leave a comment and I'll think it over.

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JavaScript base math.sqrt () square root can only calculate numbers greater than or equal to 0

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