How to determine if an array contains a specific value in PHP?

Node forEach() function

Last Updated : 15 Jan, 2024

forEach() is an array function Node that is used to iterate over items in a given array.

Syntax:

array_name.forEach(function)

Parameter:

This function takes a function (which is to be executed) as a parameter.

Return type:

The function returns an array element after iteration. The program below demonstrates the working of the function:

Example 1: Below is the code example of forEach() function

Javascript

const arr = ['cat', 'dog', 'fish'];
arr.forEach((element) => {
    console.log(element);
});

Output:

cat
dog
fish

Example 2: Below is the code example of forEach() function

Javascript

const arr = [1, 2, 3, 8, 7];
arr.forEach((element) => {
    console.log(element);
});

Output:

How to determine if an array contains a specific value in PHP?

T

Twinkl Bajaj

Improve

Article Tags :

Similar Reads

D3.js node.each() Function

The node.each() function is used to evaluate a function for each node in Breadth First Order. In this, every node is visited exactly one time. This function is called repeatedly for each descendant node. Syntax: node.each(function); Parameters: This function accepts a single parameter as mentioned a

D3.js node.eachAfter() Function

The node.eachAfter() function is used to invoke a particular function for each node but in a post-order-traversal order. It visits each node in post-traversal order and performs an operation on that particular node and each of its descendants. Syntax: node.eachAfter(function); Parameters: This funct

D3.js node.eachBefore() Function

The node.eachBefore() function is used to invoke a particular function for each node but in a pre-order-traversal order. It visits each node in pre-traversal order and performs an operation on that particular node and each of its descendants. Syntax: node.eachBefore(function); Parameters: This funct

Underscore.js _.each() Function

Underscore.js is a JavaScript library that provides a lot of useful functions that helps in the programming in a big way like the map, filter, invoke etc even without using any built-in objects. The _.each() function is an inbuilt function in Underscore.js library of JavaScript which is used to retu

D3.js node.count() Function

The node.count() function of D3.js library is used to count the number of leaves under a particular node and append it as a value property to the object. If the node given is itself a leaf node then the count is one. Syntax: node.count(); Parameters: This function does not take any parameter. Return

Node.js console.log() Function

The console.log() function from console class of Node.js is used to display the messages on the console. It prints to stdout with newline. Syntax: console.log( [data][, ...] ) Parameter: This function contains multiple parameters which are to be printed. Return type: The function returns the passed

D3.js node.sum() Function

The node.sum() function in d3.js is used to evaluate the specified value function for a particular node. The node.value property of this function contains the value returned by the specified function. Syntax: node.sum(value); Parameters: This function accepts a single parameter as mentioned above an

D3.js node.ancestors() Function

The node.ancestors() function returns an array of ancestors nodes, starting with the given node, then followed by each parent up to the root. Syntax: node.ancestors(); Parameters: This method takes no parameters. Return Values: This method returns an array of ancestors nodes. Example 1: C/C++ Code

Node.js pop() function

pop() is an array function from Node.js that is used to remove elements from the end of an array. Syntax: array_name.pop() Parameter: This function does not take any parameter. Return type: The function returns the array. The program below demonstrates the working of the function: Example 1: C/C++ C

D3.js node.descendants() Function

The node.descendants() function in d3.js library is used to generate and return an array of descendant nodes. Syntax: node.descendants(); Parameters: This function does not accept any parameters. Return Values: This function returns an array. Below given are a few examples of the function given abov