score:1
Accepted answer
several changes have been made in the sandbox link
- calculate the total when click
record
as asked in the question - add some checking when user press the record button. three inputs need to be filled in.
- the input type should be
number
but nottext
since it may need to nan if user enter string in the input. - implementing a button to reset all the record.
- use
map
for renderingcurrentrecord
score:1
it looks like your map
should look like this:
{currentrecord.map(item => (
<tr>
<td>1.</td>
<td>{item.currentbook}</td>
<td>{item.units}</td>
<td>{item.price}</td>
</tr>
))
}
Source: stackoverflow.com
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