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Introduction to inarray usage

inarray is a function for arrays, mainly used to determine whether an element exists in the array. It receives two parameters: the element to find and the array. Returns the index of the element in the array if it exists; -1 if it does not exist. The syntax of inArray() function: inArray(searchElement, array).

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inarray

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Introduction to inarray usage

How to use inarray

Oct 18, 2023 pm 02:27 PM

inarray

jquery .inarray usage

jQuery's `.inArray()` method can be used to find a specific element in an array and return its index value (if found). Its usage is as follows: ```$.inArray(value, array [, fromIndex])```Parameter description: - `value`: the value to be found - `array`: the array to be found - `fromIndex` (optional ): Search starting from the specified position Return value: - If the element is found, return its location in the array

May 28, 2023 am 10:52 AM

How to use the inArray() method in JavaScript

The inArray method can check the contents of an array element to check whether it matches a specific value. In this article, we will introduce in detail the use of the inArray() method in JavaScript.

Jan 24, 2019 pm 05:42 PM