JavaScript TypedArray every() method

JavaScript Array.every() method test whether all the elements of the array in the given condition satisfy or not that is provided by the function passed to it as the argument. The every() method apply the function once for each element present in the array.

Syntax:

Parameters:

Value (Required): The value of current element.

Index (Optional): The array index of the current elements.

Arr(optional): The array object the current element belongs to.

this value (optional): A value to be passed to the function.

NOTE: If this parameter is empty, the value "undefined" will be passed as its "this" value.

Return value:

This function returns Boolean value true if all the elements of the array follow the condition implemented by the argument function.

If one of the elements of the array does not satisfy the argument, then this returns false.

Browser Support:

Chrome	Yes
Edge	Yes
Firefox	1.5
Opera	Yes

Example 1

<script type="text/javascript">
// JavaScript to illustrate every() method
// Input array
var arr = [200,101,450,789];
function JavaTpoint(n)
{
return n> 100;
}
document.write(arr.every(JavaTpoint)); 
// expected output: true
</script> 

Test it Now

Output:

true

Example 2

<script type="text/javascript">
// JavaScript to illustrate every() method
// Input array
var arr = [200,101,450,789];
function JavaTpoint(n)
{
return n< 100;
}
document.write(arr.every(JavaTpoint));
// expected output: false
</script>

Test it Now

Output: