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What is the `String.prototype.substr` method in JavaScript?

What is the `String.prototype.substr` method in JavaScript?

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2024-09-06 last updatedFreeJavascript

`String.prototype.substr` extracts a substring from a string based on a starting index and length. It returns the extracted substring. 

const str = 'hello world';
const substr = str.substr(6, 5);
console.log(substr); // 'world'

`String.prototype.substr` extracts a substring from a string based on a starting index and length. It returns the extracted substring. 

const str = 'hello world';
const substr = str.substr(6, 5);
console.log(substr); // 'world'

`String.prototype.substr` extracts a substring from a string based on a starting index and length. It returns the extracted substring. 

const str = 'hello world';
const substr = str.substr(6, 5);
console.log(substr); // 'world'

`String.prototype.substr` extracts a substring from a string based on a starting index and length. It returns the extracted substring. 

const str = 'hello world';
const substr = str.substr(6, 5);
console.log(substr); // 'world'

What is the `String.prototype.slice` method in JavaScript?

What is the `String.prototype.slice` method in JavaScript?

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2024-09-06 last updatedFreeJavascript

`String.prototype.slice` extracts a section of a string and returns it as a new string, without modifying the original string. 

const str = 'hello';
const sliced = str.slice(1, 4);
console.log(sliced); // 'ell'

`String.prototype.slice` extracts a section of a string and returns it as a new string, without modifying the original string. 

const str = 'hello';
const sliced = str.slice(1, 4);
console.log(sliced); // 'ell'

`String.prototype.slice` extracts a section of a string and returns it as a new string, without modifying the original string. 

const str = 'hello';
const sliced = str.slice(1, 4);
console.log(sliced); // 'ell'

`String.prototype.slice` extracts a section of a string and returns it as a new string, without modifying the original string. 

const str = 'hello';
const sliced = str.slice(1, 4);
console.log(sliced); // 'ell'

What is the `String.prototype.substr` method in JavaScript?

What is the `String.prototype.slice` method in JavaScript?