for(let i=0; i<=this.data_a.demo.length; i++)
{
this.finalalue.push(this.data_a.demo[i].category);
}
It’s this.finalalue.push(this.data_a.demo[i].category); showing an error
_this.data_a.demo[i] is undefined
Please help me out.
Your loop isn’t correct, you try to access a value over the array length
Bad:
for(let i=0; i<=this.data_a.demo.length; i++)
Good:
for(let i=0; i<this.data_a.demo.length; i++)Assuming data is there…
this.finalvalue = this.data_a.demo.map(d => d.category);