Using Objects: Introduction to Programming with Google Sheets 14-B

Now that we have introduced objects, we create an object inline so that we can control it using instructions from our spreadsheet.

[ConsulthinkProgrammer]

How to create this nested object from google sheets Sir?
var subjectObject =
{
"Front-end": {
"HTML" : ["Links", "Images", "Tables", "Lists"],
"CSS" : ["Borders", "Margins", "Backgrounds", "Float"],
"JavaScript": ["Variables", "Operators", "Functions", "Conditions"]
},
"Back-end": {
"PHP": ["Variables", "Strings", "Arrays"],
"SQL": ["SELECT", "UPDATE", "DELETE"]
}
}

[johnn]

missing } after property list for the above code