DOM Shopping

Multiply Quantity by Price

• You can enter the number of widgets
• Multiply the number by the price to get total cost

{expr:[{id:'total',prop:"value"}],
 actions:[{id:'recalculate',method:"click"},{id:'qnty',value:"2"},{id:'recalculate',method:"click"},]}

document.body.innerHTML = `
<div>Price <input id=price disabled value='50'></div>
<div>Quantity <input id=quantity value='1'></div>
<div><button id=recalculate>Recalculate</button></div>
<div>Quantity <input id=total value='50'></div>
`;