React Js Check Variable is String
React Js Check Variable is String:To check if a variable is a string in React.js, you can use the typeof operator and compare it with the string literal 'string'. For example, you can write typeof variable === 'string' to check if variable is a string. This expression evaluates to true if the variable is indeed a string and false otherwise. By utilizing the typeof operator and performing a comparison, you can determine whether a variable holds a string value in React.js applications.
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How can you check in React.js if a variable is a string?
In this example, a React component checks whether the variable named "variable" is a string. If the type of the variable is 'string', it sets the message variable to 'Variable is a string'. Otherwise, it sets the message variable to 'Variable is not a string'.
Output of React Js Check Variable is String
