join two strings in javascript

To join two strings in JavaScript, you can use the concatenation operator +. Here's an example code snippet:

index.tsx
let str1 = "Hello";
let str2 = "World";

let joinedStr = str1 + " " + str2;

console.log(joinedStr); // Output: Hello World
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In the above example, we first declare two string variables str1 and str2, and then concatenate them together using the + operator and a space character " ". We then log the resulting joined string "Hello World" to the console.