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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).
How to use inarrayinarray 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).
jquery .inarray usagejQuery'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
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