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The "replaceAll" is not a function error occurs when we call the replaceAll() method on a value that is not of type string, or in a browser that doesn't support it. To solve the error, only call the replaceAll() method on strings in supported browsers.
The replaceAll() method returns a new string with all matches of a pattern replaced by a replacement . The pattern can be a string or a RegExp , and the replacement can be a string or a function to be called for each match. The original string is left unchanged.
To make the method replace() replace all occurrences of the pattern you have to enable the global flag on the regular expression: Append g after at the end of regular expression literal: /search/g. Or when using a regular expression constructor, add 'g' to the second argument: new RegExp('search', 'g')
There is no replaceAll in JavaScript: the error console was probably reporting an error.
Instead, use the /g ("match globally") modifier with a regular expression argument to replace:
const a = "::::::";
const replaced = a.replace(/:/g,"hi");
console.log(replaced);The is covered in MDN: String.replace (and elsewhere).
There is no replaceAll function in JavaScript.
You can use a regex with a global identifier as shown in pst's answer:
a.replace(/:/g,"hi");
An alternative which some people prefer as it eliminates the need for regular expressions is to use JavaScript's split and join functions like so:
a.split(":").join("hi");
It is worth noting the second approach is however slower.
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