JavaScript check bit value using check-more-types library

In this JavaScript tutorial we learn how to check a given number whether it is 0 or 1 value using the bit() method of the check-more-types module.

JavaScript check type of a value using check-more-types library

In this JavaScript tutorial we learn how to check the type of a value using the type() method of check-more-types module.

JavaScript check if a number is negative or not using check-more-types library

In this JavaScript tutorial we learn how to use the check-more-types module to check if a number is a negative number or not using negative() or negativeNumber() method of the check-more-types module.

JavaScript check if a number is positive or not using check-more-types library

In this JavaScript tutorial we learn how to check a number value to determine if it is positive or not using the positive() method of the check-more-types module.

JavaScript check if a string is exact semver format using check-more-types library

In this JavaScript tutorial we learn how to check a given string to determine if it is an exact semver format or not using the semver() method of check-more-types module.

JavaScript check if an variable is defined or not using check-more-types library

In this JavaScript tutorial we learn how to check if a variable is defined or not using the defined() method of check-more-types module.

JavaScript check if a Array or a string contains a value using check-more-types library

In this JavaScript tutorial we learn how to check whether a given array contains an item or a given string contains a substring using the contains() method of check-more-types module.

JavaScript check if a string is a valid web URL using check-more-types library

In this JavaScript tutorial we learn how to check whether a given string is a valid web URL or not using the webUrl() method of the check-more-types library.

JavaScript check if an URL is http or https using check-more-types library

In this JavaScript tutorial we learn how to validate if a given string is an http or https using the http() and https() method of the check-more-types library.

JavaScript check if an object is an instance of type Error using check-more-types library

In this JavaScript tutorial we learn how to check whether an object is an instance of type Error or not using the error() method of check-more-types library.