Home » How Does JavaScript Filter Function work (Complete Guide With Example)

How Does JavaScript Filter Function work (Complete Guide With Example)

Majorly JavaScript Filter Function used to filter data from an array with the specified condition and create a new array. Here we do check the complete guide of JavaScript Filter Function by using some examples.

How Does JavaScript Filter Function work (Complete Guide With Example)
How Does JavaScript Filter Function work (Complete Guide With Example)

Example of JavaScript Filter Function

In this example, we create an array name age, where we push some numbers and add an input field to take user input to specify the condition. An example is referred from w3schools.com

Live view:

See the Pen Example of JS filter function by Bikash Panda (@phpcodertech) on CodePen.

Code Explanations:

  • Create a user input field where we take the number to compare with an existing array.
  • Then we get the user input using the ID attribute and compare it with an array using the JS Filter function.

JavaScript How to Filter an Array of Objects

Output:

{
records:
[{
fname: “X”,
lname: “Y”,
userID: 1
}, {
fname: “C”,
lname: “Y”,
userID: 4
}, {
fname: “C”,
lname: “Y”,
userID: 5
}]
}

Here is the complete explanations of JavaScript filter method and JavaScript filter works with example.

Also the above code explains how to filter an array of objects using JS filter method.

Also Check:

Happy Coding..!

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