How to concatenate . (dot) with number in javascript

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hi ive created visual calc using html and its looks like this ..

| 1  | 2  | 3 | 
| 4  | 5  | 6 | 
| 7  | 8  | 9 | 
|    | .  |   |

and ive created function called number() on click on each html element and this is it

number(number)
{
    this.total_quantity_discount_price = this.total_quantity_discount_price+''+number;
    this.total_quantity_discount_price = parseFloat(this.total_quantity_discount_price);
},

with numbers 0123456789 everything is working fine but my problem with the . how can i add . to this.total_quantity_discount_price i mean how can i add the number 10.555 or 55.648 ect .. thanks ..

Answer

Use Number constructor like

this.total_quantity_discount_price = Number(this.total_quantity_discount_price+''+number);

let n=Number(4+'.'+5)
// the n is a number which you could add it to another
console.log(n)
console.log(n+1)
console.log(n-3)


Source: stackoverflow