Published
Edited
Aug 9, 2019
md`# Javascript mutability experiment`
fn = function(x) {
// I think, instead, we can be aware of this behvaior.
let y = x;
y.a = 3;
return y;
}
x = ({b: 2})
y = fn(x)
x
fnNew = function(x) {
// I'm not convinced we need to do this.
let y = JSON.parse(JSON.stringify(x));
y.a = 3;
return y;
}
xNew = ({b: 2})
yNew = fnNew(xNew)
xNew
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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.
