How to use JavaScript Array includes()

Array includes() Method

Program to use JavaScript Array includes() method

let a = ['Cat', 'Dog', 'Tiger', 'Lion', 'Elephant'];
    let b = a.includes('Lion');
    console.log(b);
    

Output

true
    

Steps Description

• Declare two variable a and b
• Initialize two variable a and b with value of array a = [‘Cat’, ‘Dog’, ‘Tiger’, ‘Lion’, ‘Elephant’] and b = a.includes(‘Lion’)
• Array includes() method checks the statement in all elements of the given array, returns true if found, false if not found
• The value of b variable is displayed with the help of console.log inbuilt function

Array includes() Method

Program to use JavaScript Array includes() method

let c = [1,2,3,4,5];
  let d = c.includes(8);
  console.log(d);
  

Output

false
  

Steps Description

• Declare two variable c and d
• Initialize two variable c and d with value of array c = [1,2,3,4,5] and d = c.includes(8)
• Array includes() method checks the statement in all elements of the given array, returns true if found, false if not found
• The value of d variable is displayed with the help of console.log inbuilt function