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This article mainly introduces "how to convert string to boolean in js". In daily operation, I believe many people have doubts about how to convert string to boolean in js. The editor consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful to answer the doubts about "how to convert string to boolean in js". Next, please follow the editor to study!

In JavaScript, the Boolean object is a Boolean object that packages Boolean values. The Boolean object can be used alone to convert any value that is not of type Boolean to a value of type Boolean to a Boolean value.

Implementation principle: call the type conversion function Boolean ()

The value of any data type calls the Boolean () function and always returns a Boolean value.

Whether true or false is returned depends on the data type of the value to be converted and its actual value.

Converts to the value of true if it is any non-empty string, or to the value of false if it is an empty string.

Conversion instance

Boolean (""); / / output is: falseBoolean (null); / / output is: falseBoolean (0); / / output is: falseBoolean ("hi"); / / output is: trueBoolean (new Object ()); / / output is: true (new Object ()); / / output is: "how to convert string in js to boolean" is over. I hope you can solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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