In this Article we will go through how to unescape html special characters 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 unescape = str => str.replace(/&amp;/g , '&').replace(/&lt;/g  , '<').replace(/&gt;/g  , '>').replace(/&#0*39;/g , "'").replace(/&quot;/g, '"');

In this Article we will go through how to uppercase the first character of each word in 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 uppercaseWords = str => str.split(' ').map(w => `${w.charAt(0).toUpperCase()}${w.slice(1)}`).join(' ');

In this Article we will go through how to convert the name of an excel column to 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 getIndex = col => col.split('').reduce((prev, next) => prev * 26 + parseInt(next, 36) - 9, 0);

In this Article we will go through how to count the number of words in 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 countWords = str => str.trim().split(/\s+/).length;

In this Article we will go through how to count the occurrences of a character in 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 countOccurrences = (str, char) => [...str].reduce((a, v) => (v === char ? a + 1 : a), 0);

In this Article we will go through how to decapitalize 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 decapitalize = str => `${str.charAt(0).toLowerCase()}${str.slice(1)}`;

In this Article we will go through how to escape html special characters 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 escape = str => str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/'/g, '&#39;').replace(/"/g, '&quot;');

In this Article we will go through how to generate a hash of 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 hash = str => str.split('').reduce((prev, curr) => Math.imul(31, prev) + curr.charCodeAt(0) | 0, 0);

In this Article we will go through how to get the base url without any parameters 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 baseUrl = url => url.indexOf('?') === -1 ? url : url.slice(0, url.indexOf('?'));

In this Article we will go through how to get the file extension from a file name 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 ext = fileName => fileName.split('.').pop();