{
function display() {
console.log(arguments)
}
display(10, 20)
}
{
function display() {
const arg = [...arguments]
arg.forEach((item, idx) => {
console.log(item, idx)
})
}
display(10, 20)
}
{
const display = () => {
console.log(arguments)
}
display(10, 20)
}
{
const obj = {
name: 'john',
age: 42,
sex: 0,
};
console.log(Object.getOwnPropertyDescriptors(Object.getPrototypeOf(Object.create(obj))));
}
{
const obj = {
name: 'john',
age: 42,
sex: 0,
};
function diswritable(obj, prop) {
Object.defineProperty(obj, prop, {
writable: false,
})
}
diswritable(obj, "age")
obj.age = 24
return obj
}
{
const obj = {
name: 'john',
age: 42,
sex: 0,
};
function disenumerable(obj, prop) {
Object.defineProperty(obj, prop, {
enumerable: false,
})
}
disenumerable(obj, "age")
return obj
}
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.
