I have an array like this:
rules[0] = "a";
rules[1] = "b";
rules[2] = "c";
And an object data that has values value-a, value-b, value-c (the last letter comes from "rules".
I know you might suggest an array, but I really need them to be normal attributes. How can I create these dynamic attribute names formed with the string "value-" and the value of a variable?
for r in rules {
data.value-??? = "something";
}
Try this:
const data = rules.reduce((dict, key) => {
dict[`value-${key}`] = 'something';
return dict;
}, {});
Try this:
var data = {};
var rules = ['a', 'b', 'c', 'd'];
rules.forEach(function(rule) {
data['value-'+rule] = "something";
});
console.log(data);
You could use for ... of statement, which uses the element
var rules = ["a", "b", "c"],
data = {};
for (let r of rules) {
data['value-' + r] = "something";
}
console.log(data);Or simple Array#forEach
ES6
var rules = ["a", "b", "c"],
data = {};
rules.forEach(r => data['value-' + r] = "something");
console.log(data);ES5
var rules = ["a", "b", "c"],
data = {};
rules.forEach(function (r) {
data['value-' + r] = "something"
});
console.log(data);