In this Article we will go through how to make the first character of a string lowercase 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
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Let's define this short function:
const lowercaseFirst = str => `${str.charAt(0).toLowerCase()}${str.slice(1)}`;
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
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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
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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
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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
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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
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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
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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
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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
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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 replace multiple spaces with a single space 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
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Let's define this short function:
// Replace spaces, tabs and new line characters
const replaceSpaces = str => str.replace(/\s\s+/g, ' ');
// Only replace spaces
const replaceOnlySpaces = str => str.replace(/ +/g, ' ');