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JavaScript is a scripting language that is used to create interactive web applications. It is a powerful language that can be used to create dynamic web pages, create games, and even create mobile applications. JavaScript is a popular language that is used by many developers and is supported by all major web browsers. In this article, we will explain the basics of JavaScript and how it works. We will also discuss the different types of JavaScript and how they can be used to create powerful web applications.<\/p>\n
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The following code is a function that takes two parameters, a string and a number, and returns a string with the number of characters specified by the number parameter.<\/p>\n
function truncateString(str, num) {
\n \/\/ If the length of str is less than or equal to num
\n \/\/ just return str–don’t truncate it.
\n if (str.length <= num) {\n return str;\n }\n \/\/ Return str truncated with '...' concatenated to the end of str.\n return str.slice(0, num) + '...';\n} <\/p>\n
[Solved] Explain the javascript
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