What is the use of ‘debugger’ keyword in javascript code?

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What is screen object in JavaScript?

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What are the ways of making comments in javascript?

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Explain the working of timers in JavaScript? Also elucidate the drawbacks of using the timer, if any?

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How to have an element invoke a javascript on selection, instead of going to a new url?

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Which type of variable among global and local, takes precedence over other if names are same?

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Which built-in method adds one or more elements to the end of an array and returns the new length of the array?

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Why does the browser display the slow script warning?

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What is enum size?

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i want to display time using hidden variable in a page,but when i click button that page that hidden variable loosing its value.i m sending the code also. <script type="text/javascript" language="javascript"> var tick=0; window.onload = function() { //debugger if(document.getElementById("hdnTicker").value != "") tick = parseInt(document.getElementById("hdnTicker").value); setInterval("Timer()",1000); } function Timer() { //debugger document.getElementById("hdnTicker").value = tick++; //alert(document.getElementById("hdnTicker").value); document.getElementById("lblTimeSpent").innerHTML = "0." + tick; if(tick == 30) { //message or redirect to result window alert('time is out'); //clearTimeout(); } } </script> <form id="form1" runat="server"> <div> <table> <tr> <td> <asp:Label ID="lblTimeSpent" runat="server" Visible="true" ForeColor="Blue" ></asp:Label> </td> <td> <%-- <asp:textbox EnableViewState="true" id="hdnTicker" runat="Server" style="visibility:hidden"></asp:textbox>--%> </td> </tr> <tr> <td> <asp:Button ID="btn" runat="server" Text="hi" OnClick="btn_Click" Height="30px" Width="60px" /> </td> </tr> </table> <%--<asp:HiddenField ID="txt" runat="server" Visible="true" />--%> </div> </form> <input type="hidden" id="hdnTicker" name="hdnTicker" enableviewstate="true" runat="server" />

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What happens when the recursion calling is applied on two functions?

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In a pop-up browser window, how do you refer to the main browser window that opened it?

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