GeeksForGeeks/Array_Functions_1.html at master · hjaintech/GeeksForGeeks · GitHub

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<html>
<head>
	<script type="text/javascript" >
//This is a comment
//----------------------------------------------------------------------------------------------------------
// Array.every() calls the callback function for each element of array until it finds an element for which the callback


// Function to check if all emements of array are smaller than 100 or not using array.every()


function fnIsLessThan100_Every(arr){
	return arr.every(function(element){
			  return (element < 100);
		   });
}
fnIsLessThan100_Every([30,60,90]);       // Output : true
fnIsLessThan100_Every([30,60,90,120]);   // Output : false

//----------------------------------------------------------------------------------------------------------
// Function to check if all emements of array are smaller than 100 or not using for loop


function fnIsLessThan100_Loop(arr){
	for(var i = 0 ; i < arr.length; i ++){
		if(arr[i] >= 100){
			return false;
		}
	}
	return true;
}
fnIsLessThan100_Loop([30,60,90]);       // Output : true
fnIsLessThan100_Loop([30,60,90,120]);   // Output : false

//----------------------------------------------------------------------------------------------------------
// Function to check if all elements of array are of a spcified datatype using array.every()


function fnCheckDatatype_Every(arr, sDatatype){
	return arr.every(function(element){
		return typeof(element) === sDatatype;
	},sDatatype)
}
fnCheckDatatype_Every(["Geeks","for","Geeks"],"string");  // Output : true
fnCheckDatatype_Every(["Geeks",4,"Geeks"],"string");      // Output : false

//----------------------------------------------------------------------------------------------------------
// Function to check if all elements of array are of a spcified datatype using for loop


function fnCheckDatatype_Loop(arr, sDatatype){
	for(var i = 0 ; i < arr.length; i++){
		if(typeof(arr[i]) !== sDatatype){
			return false;
		}
	}
	return true;
}
fnCheckDatatype_Loop(["Geeks","for","Geeks"],"string"); // Output : true
fnCheckDatatype_Loop(["Geeks",4,"Geeks"],"string");     // Output : false

//----------------------------------------------------------------------------------------------------------
//Function to check if array contains any number greater than 100
function fnIsGreaterThan100_loop(arr){
	for(var i = 0 ; i < arr.length; i ++){
		if(arr[i] > 100){
			return true;
		}
	}
	return false;
}
fnIsGreaterThan100_loop([30,60,90,120]); // Output : true
fnIsGreaterThan100_loop([30,60,90]);     // Output : false

//----------------------------------------------------------------------------------------------------------
//Function to check if array contains any number greater than 100
function fnIsGreaterThan100_some(arr){
	return arr.some(function(element){
		return (element > 100);
	});
}
fnIsGreaterThan100_some([30,60,90,120]); // Output : true
fnIsGreaterThan100_some([30,60,90]);     // Output : false

//----------------------------------------------------------------------------------------------------------
// Function to check if array contains any even number
function fnIsEven_loop(arr){
	for(var i = 0 ; i < arr.length ; i ++){
		if(arr[i] % 2 === 0){
			return true;
		}
	}
	return false;
}
fnIsEven_loop([1,3,5])   // Output : false
fnIsEven_loop([1,3,5,6]) // Output : true

//----------------------------------------------------------------------------------------------------------

// Function to check if array contains any even number

function fnIsEven_some(arr){
	return arr.some(function(element){
		return (element %2 === 0);
	});
}
fnIsEven_some([1,3,5])   // Output : false
fnIsEven_some([1,3,5,6]) // Output : true
//----------------------------------------------------------------------------------------------------------

</script>
</head>
</html>