# INDEXOF

The **INDEXOF** function returns the index of the first occurrence of a specified number within an array of numbers. It accepts numeric values or node references as arguments. If the value is not found in the input array, the function returns 0.

### Syntax

```javascript
INDEXOF(list, value)
```

### Arguments

list - The input array of numbers to be checked (Required).

value - The number to be searched for in the list (Required).

### Example

```javascript
INDEXOF([LIST],VALUE)
```

In the example below, the **INDEXOF** function is used to check whether the *Revenue* in any quarter is equal to the *Sales for Q1*. 

<figure><img src="/files/cuulYZYnRyRNnmuFFdYu" alt=""><figcaption><p>Applying INDEXOF function</p></figcaption></figure>


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