How do I replace a character at a particular index in JavaScript?
In JavaScript, strings are immutable, which means the best you can do is to create a new string with the changed content and assign the variable to point to it. You’ll need to define the replaceAt() function yourself: String.prototype.replaceAt = function(index, replacement) { return this.substring(0, index) + replacement + this.substring(index + replacement.length); } And use … Read more