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changes.mady.by.user Connor Grimm

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changes.mady.by.user Bruce Conrad

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Comment: update

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  • Array indices are zero-based.
  • The default for the beginning index is 0. slice(j) is the same as slice(0,j)
  • A reference to an OOB index (less than 0 or greater than the size of the array - 1) will return null and raise an error eventreturn an empty array []

For example:

Code Block
languagejavascript
themeConfluence
a = ["corn","tomato","tomato","tomato","sprouts","lettuce","sprouts"];

c = a.slice(1,4);                   // c = ["tomato","tomato","tomato","sprouts"]
d = a.slice(2);                		// d = ["corn","tomato","tomato"]
g = a.slice(14)                		// dg = undef[]
h = a.slice(0,0);                	// dh = ["corn"]

splice()

The splice() operator creates a new array that is the result of deleting, inserting, or replacing elements in the target array. The operators takes the following arguments:

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