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1 Explain the following code in detail:   app.post("/outerspace/ufo", (req, res) => {     var placeholderValues = {         phusername: req.body.name,     };     res.render("rocketship", {         data: placeholderValues     }); }); 2 Explain the following line of code:   clientObj.hasOwnProperty("Batman") && (clientObj["Batman"] = "Dormant"); 3 Utilize a JSON method to turn a JavaScript object named Seneca into a JSON string replace the value of the courseCode property to "WEB322" insert indentation by multiple of 5 spaces

1 Explain the following code in detail:   app.post("/outerspace/ufo", (req, res) => {     var placeholderValues = {         phusername: req.body.name,     };     res.render("rocketship", {         data: placeholderValues     }); }); 2 Explain the following line of code:   clientObj.hasOwnProperty("Batman") && (clientObj["Batman"] = "Dormant"); 3 Utilize a JSON method to turn a JavaScript object named Seneca into a JSON string replace the value of the courseCode property to "WEB322" insert indentation by multiple of 5 spaces

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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1
Explain the following code in detail:

 

app.post("/outerspace/ufo", (req, res) => {

    var placeholderValues = {
        phusername: req.body.name,
    };

    res.render("rocketship", {
        data: placeholderValues
    });
});

2

Explain the following line of code:

 

clientObj.hasOwnProperty("Batman") && (clientObj["Batman"] = "Dormant");

3

Utilize a JSON method to turn a JavaScript object named Seneca into a JSON string
replace the value of the courseCode property to "WEB322"
insert indentation by multiple of 5 spaces

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