One issue I'm facing is trying to push an object onto a specific index position in an array, but it's getting pushed to the end of the array instead.
this.tradingPartner = new TradingPartnerModel();
this.tradingPartners = [...this.tradingPartners, this.tradingPartner];
To insert an Object at a specific position in an array, the 'splice' method should be used. Here's an example:
this.tradingPartner.splice(2, 0, this.tradingPartner);
This will add a new Object at index 2.
UPDATE
If you wish to add a new element at the beginning of the current array using spread syntax, simply reverse the order as follows:
this.tradingPartners = [this.tradingPartner, ...this.tradingPartners];
let partner = new PartnerModel();
let partnersArray = [...this.partnersArray];
partnersArray.unshift(partner);
Implement the splice method
Inserting an element using splice:
index = position at which to insert item = element to be inserted
insertElement(index, array, item)
{
let newArray = [];
for(let i = 0; i< array.length ; i ++) {
if(i === index) {
newArray.push(item);
}
newArray.push(array[i]);
}
return newArray;
}
This function will return a new array with the element added at the specified index.
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