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JavaScript Base empty string: String type, turn to bool type is: false Boolean () system function

Source: Internet
Author: User
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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         vara= "";8 document.write ("empty string:" + typeof(a)+ "type," + "the type of turn into bool is:" +Boolean (a));9     </Script>Ten </Head> One <Body> A  - </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.
If the content of the post can be improved, or even the wrong place, please leave a comment, I will try to correct, strive to achieve a conscience blog.
Note: This article is only as a scientific research study, if I inadvertently violated your rights and interests, please be sure to timely inform, I will make corrections.

JavaScript Base empty string: String type, turn to bool type is: false Boolean () system function

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