Convert to uppercase: lettext ="Hello World!"; letresult = text.toUpperCase(); Try it Yourself » Description ThetoUpperCase()method converts a string to uppercase letters. ThetoUpperCase()method does not cha
JavaScript provides two helpful functions for converting text to uppercase and lowercase. String.toLowerCase() converts a string to lowercase, and String.toUpperCase() converts a string to uppercase. var text = 'This sentence has some MIXED CASE LeTTeRs
// convert message to uppercase const upperMessage = message.toUpperCase(); console.log(upperMessage); // Output: JAVASCRIPT IS FUN Run Code toUpperCase() Syntax The syntax of the toUpperCase() method is: str.toUpperCase() Here, str is a string. toUpperCase() Parameters The toUpperCase() ...
A JavaScript tool to convert text to lowercase, uppercase, title case, capital case or sentence case. Requirements The requirements for this project can be found in the REQUIREMENTS.md document. Contributing For now, if you want to submit your version of the code, please create an own folder...
new String(str) An object obj obj (unchanged, nothing to convert) Here are some examples: > Object(null) instanceof Object true > Object(false) instanceof Boolean true > var obj = {}; > Object(obj) === obj true The following function checks whether value is an object: function isObj...
string.uppercase.all('Chris Humboldt'); // Convert a string to uppercase const randomNumber = Rocket.random.integer(); // Generate a random integerMake sure not to overwrite the Rocket variable name to anything else within your project. Often a new reference will be made for the library ...
Check this out: // https://doc.rust-lang.org/book/ pub fn excited_greeting(original: &str) -> String { format!("HELLO, {}", original.to_uppercase()) } 其次,我们必须对Cargo.toml配置文件进行两项更改: 添加wasm_bindgen作为依赖项。 将库二进制文件的类型配置为cdylib或动态系统库。在这种...
You want to convert a string to all upper- or lowercase letters. Solution Use the two dedicatedStringobject methods,toLowerCase()andtoUpperCase(), for case changes: var myString = "New York"; var lcString = myString.toLowerCase(); var ucString = myString.toUpperCase(); ...
The JSON.stringify method converts a JavaScript object or value to a JSON string. It can optionally modify or filter values if a replacer function/array is specified. let json = JSON.stringify(value [, replacer, space]) The value is the value to convert to a JSON string. The replacer ...
converts to true, otherwise returns true16、确定数据类型可确定的类型：undefined、null、string、...