const products = [
    "Dell hardcore 129 laptop",
    "iphone 1Tb camera flashlight phone",
    "yellow laptop with balack camera",
    "Dell 1x59 lenovo commercial yoga Laptop",
    "LG supernove laptop dell",
    "HTC low price phone",
    "Dell purple color phone with Laptop"
]

//Method Two
const searching = "phone";
const output = [];
for (const product of products) {
    if (product.toLowerCase().includes(searching.toLowerCase())) {
        output.push(product)
    }
}
console.log(output);
//Output:
// [
//     'iphone 1Tb camera flashlight phone',
//     'HTC low price phone',
//     'Dell purple color phone with Laptop'
// ]