yourname = "Kailey"
print = "Hello " + yourname + "!"
42 === "42"
number = 42
string_number = +"42"
number === string_number
not_a_number = +"forty-two"
dollas = +"$42"
4 + 1
thirty = 10 + 20
thirty + 8
array = ["a", 6, "6", "forty"] // notice this? Anything after // is a comment, and isn't read by the program.
// This is a comment to bring your attention to the strings like "a" and "forty" // are in quotes, while the integer 6 can stand alone without quotes!
array[3]
index_of_forty = 3
list = [
{ first_name: "Maeve", last_name: "Kane" },
{ first_name: "Patrick", last_name: "Nold" }
]
list[1].first_name
chair_first_name = list[1].first_name
function greet(another_variable) {
return `Hello, ${another_variable}!`;
}
greet(yourname)
p_nold_greet = greet(chair_first_name)
data = FileAttachment("1915State@1.csv").csv()
data.length
Object.keys(data[0])
d3 = require("d3@6")
median = d3.median(data, d => +d.age)
min = d3.min(data, d => +d.age)
max = d3.max(data, d => +d.age)
yourname
max
p_nold_greet
chair_first_name
index_of_forty
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
