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JavaScript Learning Note 2-array objects

Source: Internet
Author: User
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1 <!DOCTYPE HTML>2 <HTML>3 <HeadLang= "en">4     <MetaCharSet= "UTF-8">5     <title></title>6 </Head>7 <Body>8 <Script>9     //Merging ArraysTen     vararr1= ["Hello"," World","PHP","Js"]; One     vararr2= ["name"," Age","Sex","Weight"]; A     varARR3=Arr1.concat (ARR2);//merging arrays, arr1 merging arr2 - //document.write (ARR3); -     //Array Sorting the     varna= [3,5,7,1,6,4,2]; - document.write (Na.sort (A, b) { - return a-b;//Ascending - return b-a;//Descending +     })); -     //Append +     varyy= ["W","h"]; A Yy.push ("P");//Append character P at document.write (yy); -     //reversal -     varTT= ["o","L","L","e","h"]; - document.write (Tt.reverse ());//invert an array - </Script> - </Body> in </HTML>

JavaScript Learning Note 2-array objects

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