DQuestion 6 2 pts From HTML File <form id-“frmCalc” id- frmCalc” <p>Please enter a numeric value or use the number buttons below./p> <!-Text Box to enter a numeric value ..> input ide”txtNumber” size«”20″ type«-text” name.”txtNumber” values”” /><br />< br/> <!-Number buttons –> kinput type-“button” value-“1” id-“btn1” /> input type-“button” value “2” id-“btn2” /> kinput type-“button” value-“3” id-“btn3” /> From JS file window.onload function) document.getElementById(“btn1”).onclick showNum; document.getElementById(“btn2”).onclick – showNum; document.getElementById(“btn3”).onclick showNum function showNun() { document.getElementById(“txtNumber”).value +=
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