Ionic 3 framework quantity add minus

@jaik1064 wrote:

this.apiserviceprovider.loadproduct(this.category)
.then(data => {
this.productdetails = data;

});

this.qty = 1;

}

incrementQty() {
console.log(this.qty+1);
this.qty += 1;
}

// decrement product qty
decrementQty() {
if(this.qty-1 < 1 ){
this.qty = 1
console.log('1->'+this.qty);
}else{
this.qty -= 1;
console.log('2->'+this.qty);
}
}

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