![]() ![]() Let my_new_string = my_string.replaceAll(pattern,replacement) So, say you have the following example: const my_string = "I like dogs because dogs are adorable!" ![]() Now, let's see how replaceAll() works when it takes a string as the first parameter. You also saw that pattern could be a string or a regular expression. How to Use replaceAll() with a String as the First Parameter ExampleĮarlier, you saw the replaceAll() method accepts two parameters - pattern as the first parameter and replacement as the second. Instead, it returns a new copy.Īll instances of the specified pattern will be replaced by replacement. Something to note here is that the replaceAll() method doesn't change the original string. replacement is the second parameter, which can be another string or a function to replace pattern.If pattern is a regular expression, you need to include the g flag (where g stands for global) or replaceAll() will throw an exception - specifically, the error will be a TypeError.pattern is the first parameter, which can be a substring or a regular expression - this refers to the item you want to change and replace with something else.The replaceAll() method takes 2 parameters:.string is the original string you are working with and the string you will call the replaceAll() method on.The general syntax for the replaceAll() method looks like this: string.replaceAll(pattern, replacement) The replaceAll() Method - A Syntax Breakdown Something to note is that this functionality was introduced with ES2021.Īlthough the replaceAll() method is compatible with all the major browsers, it is not the best solution when developing for older versions of browsers, as these older versions may not be able to understand and support it. That said, using replaceAll() is the most straightforward and fastest way to do so. There are different ways you can replace all instances of a string. When you use it, you replace all instances of a string. The replaceAll() method is part of JavaScript's standard library. replaceAll() with a regular expression as the first parameter.replaceAll() with a string as the first parameter.One of the ways is using the built-in replaceAll() method, which you will learn to use in this article. There are a few ways you can achieve this with JavaScript. Specifically, you may need to replace not just one but all occurrences of that character or word with something else. When working with a JavaScript program, you might need to replace a character or word with another one. ![]()
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