How to delete array elements using JavaScript
This article mainly introduces how to delete array elements in JavaScript. Examples of how to use the delete function in javascript are analyzed, which has some reference value. For more information, see
This example describes how to delete array elements by using JavaScript. Share it with you for your reference. The specific analysis is as follows:
Delete can be used to delete array elements in JS, but the size of the deleted array does not change.
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<Script type = "text/javascript"> <! -- Var days = ["Sunday", "Monday", "Tuesday", "Wednesday ", "Thursday", "Friday", "Saturday"]; Document. write ("Number of days:" + days. length ); Delete days [4]; Document. write ("<br/> Number of days:" + days. length ); // --> </Script> |
Output result
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Number of days: 7 Number of days: 7 |
I hope this article will help you design javascript programs.