In this Article we will go through how to check if a value is a string only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function
.
Let's define this short function:
const isString = value => Object.prototype.toString.call(value) === '[object String]';
In this Article we will go through how to check if a value is an object only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function
.
Let's define this short function:
const isObject = v => (v !== null && typeof v === 'object');
In this Article we will go through how to check if a value is base32 encoded only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function
.
Let's define this short function:
const isBase32 = value => value.length % 8 === 0 && /^[A-Z2-7]+=*$/.test(value);
In this Article we will go through how to check if a value is base58 encoded only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function
.
Let's define this short function:
// It doesn't accept the I, O, l characters
const isBase58 = value => /^[A-HJ-NP-Za-km-z1-9]*$/.test(value);
In this Article we will go through how to check if a value is base64 encoded only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function
.
Let's define this short function:
const isBase64 = value => /^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/.test(value);
In this Article we will go through how to check if a value is nil only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function
.
Let's define this short function:
const isNil = (value) => value == null;
In this Article we will go through how to check if a year is leap year only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function
.
Let's define this short function:
const isLeapYear = year => (((year % 4 === 0) && (year % 100 !== 0)) || (year % 400 === 0));
In this Article we will go through how to check if a string is a mongodb objectid only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function
.
Let's define this short function:
const isMongoId = str => str.length === 24 && /^[A-F0-9]+$/i.test(str);
In this Article we will go through how to check if a string is an octal number only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function
.
Let's define this short function:
const isOctal = str => /^(0o)?[0-7]+$/i.test(str);
In this Article we will go through how to check if a string is lower case only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function
.
Let's define this short function:
const isLowerCase = str => str === str.toLowerCase();