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function class1(){
}
function class2(){
}
class2.prototype=class1.prototype;
class2.prototype.moreProperty="xxx";
class2.prototype.moreMethod1=function(){
}
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function IsNull(){
var str = document.getElementById('str').value.trim();
if(str.length==0){
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}
}

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javascript object array string converter

 function object2String(obj)
{
var val, output = "";
if (obj)
{
output += "{";
for (var i in obj)
{
val = obj[i];
switch (typeof val)
{
case ("object"):if (val[0]){output += i + ":" + array2String(val) + &qu ......
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