Bug The foo function is intended to add two numbers. However, due to JavaScript's loose typing, if one of the inputs is a string, the + operator performs string concatenation instead of numerical ...

Unexpected String Concatenation in JavaScript Function This repository demonstrates a common yet subtle bug in JavaScript: unexpected string concatenation when adding a number and a string. The foo ...

Javascript string concat() method : to join one or more strings we use the concat method in javascript string.syntax of concat method :string.concat(string1, string2, ..., stringx)in the above syntax ...

toUpperCase () – Converts the entire string to upper case. Note: The concat, match, replace, and search functions were added in JavaScript 1.2. All other functions are available in JavaScript 1.0.