Hi there,
I would like to be able to clear the textbox when we uncheck the checkbox. Is that possible? - <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<title>cmene be fa no da pagbu</title>
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<script type="text/javascript">
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var Format = {
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currency: function(n, dp, s) {
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return (s || '€ ') + n.toFixed(dp || 2).replace(".",",");
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},
-
-
interpolate: function(s) {
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for (var i = 1; i < arguments.length; ++i)
-
s = s.replace("%s", arguments[i]);
-
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return s;
-
}
-
};
-
-
var Functional = {
-
map: function(f, a) {
-
for (var i = a.length - 1, r = []; i >= 0; --i)
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r[i] = f(a[i], i);
-
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return r;
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}
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};
-
-
var Dom = {
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getElementsByClassName: (function() {
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function getElementsByClassName_(root, className) {
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return (className(root.className || "") ? [root] : []).concat(entr(root, className));
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}
-
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function entr(root, className) {
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if (typeof className === "string")
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className = (function(cn) {
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return function(c) {
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return c.indexOf(cn) >= 0;
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};
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})(className);
-
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return Array.prototype.concat.apply([], Functional.map(function(e) {
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return getElementsByClassName_(e, className);
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}, root.childNodes));
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}
-
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return entr;
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})()
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};
-
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var TallyPage = {
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sumForm: function(frm, qstr) {
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for (var t = 0, v, e = Dom.getElementsByClassName(frm, "sum"), i = e.length; --i >= 0; )
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if (e[i].type === "checkbox" && e[i].checked)
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t += ((v = frm.elements[Format.interpolate(qstr, e[i].name)]) ? v.value : 1) * parseFloat(e[i].value, 10);
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return t;
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},
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updateForm: function(frm, out) {
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(out.firstChild || out.appendChild(document.createTextNode(""))).nodeValue = Format.currency(TallyPage.sumForm(frm, "%s_q"));
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},
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init: function() {
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var ud = function() { TallyPage.updateForm(this.form, document.getElementById("output")); },
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v;
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Functional.map(function(e) { e.onclick = e.onkeyup = e.onchange = ud; },
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Dom.getElementsByClassName(v = document.forms['sum_form'], function(c) {
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return c.indexOf('sum') >= 0 || c.indexOf('quantity') >= 0;
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}));
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TallyPage.updateForm(v, document.getElementById("output"));
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(v = v.elements.subm).parentNode.removeChild(v);
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v = null;
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}
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};
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onload = TallyPage.init;
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</script>
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</head>
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<body>
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<form action="/some/summer" id="sum_form">
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<input type="checkbox" value="45.25" class="sum" name="101">
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45,25€<input type="textbox" class="quantity" name="101_q" value="1">
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<br>
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<input type="checkbox" value="50.75" class="sum" name="410">
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50,75€<input type="textbox" class="quantity" name="410_q" value="1">
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<span id="output"> </span>
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<input name="subm" type="submit" value="Total">
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-
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</form>
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</body>
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</html>
1  4130 
try this. -
<input type=checkbox onclick='if(this.value==checked) docuement.getElementById("clear").value=""'>
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<input type=text id='clear'>
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