TypeScript Array some() Method
The Array.some() is an inbuilt TypeScript function which is used to check for some element in the array passes the test implemented by the provided function.
Syntax:
array.some(callback[, thisObject])
Parameter: This method accept two parameter as mentioned above and described below:
- callback : This parameter is the Function to test for each element.
- thisObject : This parameter is the Object to use as this when executing callback.
Return Value: This method returns true if some element in this array satisfies the provided testing function.
Below example illustrate the Array some() method in TypeScriptJS:
Example 1:
TypeScript
function ispositive(element, index, array)
{
return element > 0;
}
var arr = [ 11, 89, 23, 7, 98 ];
var value = arr.some(ispositive);
console.log( value );
|
Output:
true
Example 2:
TypeScript
function iseven(element, index, array)
{
return (element % 2 == 0);
}
var arr = [ 11, 89, 23, 7, 91 ];
var value = arr.some(iseven);
console.log( value );
|
Output:
false
Last Updated :
03 Jan, 2023
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