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Asked: 2026-05-30T19:00:03+00:00

I have a DIV that is fed by a server side script that I

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I have a DIV that is fed by a server side script that I don’t have access too, and it outputs the value in £’s.

HTML Example: 

<div id="totalExpenditure">£1,125</div>

I then want to have a jQuery script take that figure and workout the difference between a set value of £2,000 and result it to another DIV.

Which says: <div id="totalSurplus">You have £725 remaining.</div>

I’ve searched Google for mathmatic jQuery but the results look far too complex. What I’m not sure is even possible is to convert the output of the ID totalExpenditure into the DOM to be manipulated.

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1 Answer

  1. Editorial Team

    1) get the string: var myVal = $('#totalExpenditure').text()

    2) Get rid of the non-numeric pound sign: myVal = myVal.replace('£','') and the comma myVal = myVal.replace(',','')

    3) turn it into an number: myVal = parseFloat(myVal)

    4) Perform any math you want with myVal.

    You can do this all in one step, but this gives you an idea of how the language works.

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