escaping - Javascript - How to show escape characters in a string?

Question

This question already has answers here:

Answer 1

If your goal is to have

str = "Hello
World";

and output what it contains in string literal form, you can use JSON.stringify:

console.log(JSON.stringify(str)); // ""Hello
World""

const str = "Hello
World";
const json = JSON.stringify(str);
console.log(json); // ""Hello
World""
for (let i = 0; i < json.length; ++i) {
    console.log(`${i}: ${json.charAt(i)}`);
}

.as-console-wrapper {
    max-height: 100% !important;
}