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2025-01-16 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article mainly introduces "javascript get array length method what", in daily operation, believe many people in javascript get array length method what problems exist, small make up consult all kinds of information, sort out simple and easy to use operation method, hope to answer "javascript get array length method what" doubts help! Next, please follow the small series to learn together!
In javascript, you can use the length attribute of the array object to get the array length. This attribute can set or return the number of elements in the array. You only need to use the "array.length" statement to return a numerical value indicating the number of elements in the array object, that is, the length value.
Operating environment of this tutorial: Windows 7 system, Javascript version 1.8.5, Dell G3 computer.
In javascript, to get the length of an array, you can use the length property of the array object.
What the length property does: Sets or returns the number of elements in an array, i.e. the length of the array.
Syntax for returning array length:
array.length
Return Value: A numeric value indicating the number of elements in an array object.
Examples:
var arr=[2,6,1,5,22,3,66,12,9];arr.length;
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