In this Article we will go through how to normalize file path slashes 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 normalizePath = path => path.replace(/[\\/]+/g, '/');

In this Article we will go through how to prepend a line number to each line of a text document 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 prependNumbers = str => str.split(/\r?\n/).map((line, i) => `${(i + 1).toString().padStart(2, ' ')} ${line}`).join('\n');

In this Article we will go through how to remove duplicate lines of a text document 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 removeDuplicateLines = str => Array.from(new Set(str.split(/\r?\n/))).join('\n');

In this Article we will go through how to remove empty lines of a text document 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 removeEmptyLines = str => str.split(/\r?\n/).filter(line => line.trim() !== '').join('\n');

In this Article we will go through how to remove spaces from 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 removeSpaces = str => str.replace(/\s/g, '');

In this Article we will go through how to repeat 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 repeat = (str, numberOfTimes) => str.repeat(numberOfTimes);

In this Article we will go through how to replace all line breaks with br elements 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 nl2br = str => str.replace(new RegExp('\r?\n', 'g'), '<br>');

// In React
str.split('\n').map((item, index) => <React.Fragment key={index}>{item}<br /></React.Fragment>)

In this Article we will go through how to replace all tab characters with spaces 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 replace = (str, numSpaces = 4) => str.replaceAll('\t', ' '.repeat(numSpaces));

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('?'));