How to find length in javascript

In JavaScript, you can use the length attribute to find the length; the length attribute can return the length of the string (number of characters) or the number of elements in the array, the syntax format is "string.length" or "array.length" .

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

javascript finds the length of an array/string

Output:

javascript length attribute

The length attribute can return the length of the string (number of characters), or return the number of elements in the array.

Grammar:

string.length 或 array.length

[Recommended learning:javascript advanced tutorial]

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