I'm working with an array = ["a", "b", "c"];
What I need to do is concatenate a string, let's say "Hello", to each value in this array.
The desired output should look like this:
["Hello_a", "Hello_b", "Hello_c"]
Is there a quicker way in javascript to achieve this, without using any loops.
Any assistance would be greatly appreciated!
Thank you
Consider utilizing Array.prototype.map() in this scenario
var yourArray = ["a", "b", "c"];
var transformed = yourArray.map(function(item){
return "Hello_" + item;
});
console.log(transformed); // ["Hello_a", "Hello_b", "Hello_c"]
You can also take advantage of fat Arrow functions if your audience is using up-to-date browsers.
var yourArray = ["a", "b", "c"];
var transformed = yourArray.map(item => "Hello_" + item);
console.log(transformed); // ["Hello_a", "Hello_b", "Hello_c"]
Keep in mind, when using arrow functions, ensure that it will definitely invoke lexical this within it.
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