This is another scenarios where you will need to compare strings in TypeScript. When you required to check substrings and string content. I will show here two useful methods. Using includes() Method To check if a string contains a substring in TypeScript, use the includes() method: const ...
String-Based Enums in TypeScript The string-based enums operate the same as the numeric-based enums, but each variable has to be initialized in the string-based enum. If a variable needs to empty, it must be declared as an empty string. ...
The difference between numeric and stringenumsis that numericenumvalues are advanced, while stringenumvalues need to be individually initialized. Advantages of Using StringEnumin TypeScript The advantages of TypeScript for client-side developers are versatile. It is easier to pick up than other altern...
How to convert a String to Enum in TypeScript Borislav Hadzhiev Last updated: Feb 26, 2024Reading time·2 min# Convert a String to Enum in TypeScript To convert a string to an enum: Use keyof typeof to cast the string to the type of the enum. Use bracket notation to access the ...
; let oldString: string = "TypeScript"; let newString: string = "Coding"; // function to replace a substring function replaceSubString( mainString: string, oldString: string, newString: string ): string { // create a temporary string let tempString: string = ""; // iterate through ...
In general, literal types are JavaScript primitive values. As of TypeScript ≥ version 1.8, we can create string literal types. Specifically, string literal types allow us to define a type that accepts only one specific string literal. On their own, they are usually not very useful, but when...
With TypeScript, you usually have to declare the property first in the body of the class and give it a type. For example, add anameproperty to yourPersonclass: classPerson{name:string;constructor(name:string){this.name=name;}} Copy ...
While these two terms are often used interchangeably amongst developers, there is a subtle difference between type assertion and type casting in TypeScript: Type assertion: This is a way for you to tell the TypeScript compiler to treat an entity as a different type than it was inferred to be...
A basic example of TypeScript String Interpolation with Multiple Expressions Code: constempName:String='Daniel';constempExp:number=15;constempPrd:String='RCL';letempVal:string=`Employee${empName}has experience of${empExp}years in domain${empPrd}`;console.log('Valuable Employee:',empVal); ...
to enum gets key by string value in typescript by using object.key, object.value and indexOF() This is how we can enum gets by string value in typescript by using the object.key, object. value and indexOf(). Check out:How to get string between 2 characters in Typescript ...