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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- <script>
-
- var arr = [1, 2, 3]
- console.log(arr[0])
- console.log(arr[1])
- console.log(arr[2])
- console.log(arr[3])
-
- var arr1 = new Array(3, 4, 5.12, 'abc', true, null)
- console.log(arr1)
- console.log(arr1.length)
-
- arr1.length = 2
- console.log(arr1)
- arr1.length = 6
- console.log(arr1)
- var arr2 = ['A','B','C']
- arr2[1] = 99
- console.log(arr2)
- arr2[4] = 97
-
- console.log(arr2)
- console.log(typeof arr2[3])
- var arr3 = [10,20,'30','xyz']
-
- console.log(arr3.indexOf(20))
- console.log(arr3.indexOf(30))
- console.log(arr3)
-
- console.log(arr3.slice(3))
- console.log(arr3.slice(0,3))
-
- console.log(arr3.slice())
-
- arr3.push(40)
- console.log(arr3)
- arr3.push(50,60)
- console.log(arr3)
-
-
- arr3.pop()
- console.log(arr3)
- var arr4 = [1]
- console.log(arr4.pop())
- console.log(arr4.pop())
-
- arr4.unshift(10,20)
- console.log(arr4)
- arr4.unshift(30)
- console.log(arr4)
-
- console.log(arr4.shift())
- console.log(arr4)
- console.log(arr4.shift())
- console.log(arr4.shift())
- console.log(arr4.shift())
-
-
- var arr5 = ['B','C','A']
- console.log(arr5.sort())
-
- var arr6 = arr5.concat([1,2,3])
- console.log(arr6)
-
- console.log(arr6.join('-'))
-
- arr6.reverse()
- console.log(arr6)
-
- arr6.splice(2,3)
- console.log(arr6)
-
- arr6.splice(2,1,'D','E')
- console.log(arr6)
- var arr7 = [[1,2,3],[4,5,6]]
- console.log(arr7)
- </script>
- </head>
- <body>
- Hi Array
- </body>
- </html>
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