Get Programming with JavaScript - Listing 6.03

Get Programming with JavaScript - Listing 6.03

Listing 6.03 - Using the return value as an argument

var getHelloTo;

getHelloTo = function (name) {
    return "Hello to " + name;
};

console.log(getHelloTo("Kandra"));
console.log(getHelloTo("Dax"));

Further Adventures

Listing 6.03 - Using the return value as an argument - Task 1

Declare a variable called template in the function body of getHelloTo.

var getHelloTo;

getHelloTo = function (name) {
    var template;   // declare a variable
    return "Hello to " + name;
};

console.log(getHelloTo("Kandra"));
console.log(getHelloTo("Dax"));

Listing 6.03 - Using the return value as an argument - Task 2

Assign it the value "Hello to {{name}}".

var getHelloTo;

getHelloTo = function (name) {
    var template;
    template = "Hello to {{name}}";   // assign a value
    return "Hello to " + name;
};

console.log(getHelloTo("Kandra"));
console.log(getHelloTo("Dax"));

Listing 6.03 - Using the return value as an argument - Task 3

Replace the {{name}} placeholder with the value passed in as name.

var getHelloTo;

getHelloTo = function (name) {
    var template;
    template = "Hello to {{name}}";

    // replace the placeholder
    template = template.replace("{{name}}", name);

    return "Hello to " + name;
};

console.log(getHelloTo("Kandra"));
console.log(getHelloTo("Dax"));

Listing 6.03 - Using the return value as an argument - Task 4

Return template from the function.

var getHelloTo;

getHelloTo = function (name) {
    var template;
    template = "Hello to {{name}}";
    template = template.replace("{{name}}", name);

    return template;   // return the filled template
};

console.log(getHelloTo("Kandra"));
console.log(getHelloTo("Dax"));