JSFiddle - React, Tailwind, and code Playground

JavaScript

var paragraphs = [
    ['This is my first paragraph content of the first array', 'This is my second paragraph content of the first array', 'This is my third paragraph content of the first array'],
    ['This is my first paragraph content of the second array', 'This is my second paragraph content of the second array', 'This is my third paragraph content of the second array']
];

var unused_paragraphs= jQuery.extend(true, {}, paragraphs);
unused_paragraphs[0].splice(1,1)
console.log(unused_paragraphs)
    console.log(paragraphs)