var obj={
key1:value1,
key2:value2,
key3:value3,
key4:[1,2,3,4,5],
key5:??
} when defining obj, how to define that the value of key5 is worth twice as much as the length of key4 value. Can
be defined this way?
var obj={
key1:value1,
key2:value2,
key3:value3,
key4:[1,2,3,4,5],
key5:??
} when defining obj, how to define that the value of key5 is worth twice as much as the length of key4 value. Can
be defined this way?
var obj={
key1:[1,2,3],
get key2(){
return this.key1.length*2;
}
}
console.log(obj.key2);No, either add the array to the outside to define it, or assign key5 after defining obj
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