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- const product = [
- {id:1,product:'book',price:'100',stock:2},
- {id:2,product:'shoes',price:'40',stock:0},
- {id:3,product:'laptop',price:'30',stock:1},
- {id:4,product:'tablet',price:'20',stock:4},
- {id:5,product:'smartphone',price:'50',stock:2}
- ]
- //sum of stok
- const Total = (products) => {
- return product.reduce((prevVal, elem) => prevVal + elem.stock, 0);
- }
- const checkStock = (products,available='true') => {
- return product.filter((data)=>{
- (data.stock !=0) ?data.available ='true':data.available='false'
- return data
- })
- }
- console.log(Total(product))
- console.log(checkStock(product))
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