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This article mainly explains "how to judge whether the value is in the array or not in jquery". Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "how to determine whether the value is in the array in jquery".

In jquery, you can use the inArray () method to determine whether the value is in the array, the syntax "$.inArray (value,array)"; if the specified value is in the array, it returns the subscript (index) of the value in the array, or "- 1" if it is not.

The operating environment of this tutorial: windows7 system, jquery1.10.0 version, Dell G3 computer.

The jquery value is not in the array.

In jquery, you can use the inArray () method to determine whether the value is in the array.

The $.inArray () function is used to find the specified value in the array and return its index value (or-1 if it is not found).

With this feature, we can use the $.inArray () function to find the specified value in the array and see if it returns-1 to determine whether the value is in the array.

Implementation code:

Var array=; var value=2; var vlaue = $.inArray (value, array); if (value! =-1) {console.log ("specified value is in the array");} else {console.log ("specified value is not in the array");}

At this point, I believe you have a deeper understanding of "how to determine whether the value in jquery is in the array". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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