jquery - How to remove unicode Hex character in javascript? -

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in javascript code given below, going multiply 2 variables. gives nan result of multiplication now.

i alerted 2 variables going multiplied. 1 variable integer. variable contains rupee symbol (&#x20b9) decimal value. need remove symbol variable.

i have tried below code remove unicode characters variable.

price_per_day = price_per_day.replace(/[\ue000-\uf8ff]/g, '');

but showing nan after multiplication. 

total_days=10; price_per_day = price_per_day.replace(/[\ue000-\uf8ff]/g, ''); var total_amount = parsefloat(price_per_day) * total_days;

instead of replacing symbol, extract money

var price = document.getelementbyid("price").innerhtml.replace(/[^0-9.,]/g,"");  alert(price)
<span id="price">    &#x20b9; 50.99</span>


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