getData(key: string, def?: any): any {

Question

getData(key: string, def?: any): any {

if (this.data == null) {
this.data = Object.create(null);
}
let val = this.data[key];
if (val === undefined && def !== undefined) val = this.data[key] = def;
return val;
}
Can smb explain what def?: any mean?

0

12.08.2020

1 ответов

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Thomas · Accepted Answer

Thomas

def?: any is the same as: def: any | undefined

0

12.08.2020

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getData(key: string, def?: any): any {

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