How to get following Json parameters values with Javascript?

Question

I have the following json data in a Javascript variable result:

[
Object { id="3443", name="Jack", date3="261"},
Object { id="50942", name="Mary", date1="12"}, 
Object { id="2524", name="Paul", date3="163"}
]

How can I access the name and dates values with Javascript?

The json data is produced by a php script I wrote. I am not sure how to be able to name the 'ojbect' which might actually help.

After reading the first comments I realized I actually forgot to use jsonencode before sending the data. So the object above was a php array and not a json encoded object.

That's definitely not valid JSON. You can't have = follow an Object property id. Also, there is no way to access your dates in an automated fashion, because there is an inconsistency between the property ids. E.g. date3 vs. date1. — Shef
– Shef, Commented Jun 13, 2011 at 11:39

metaforce · Accepted Answer · 2011-06-13 11:33:14Z

2

try:

alert(your_variable[0].id); // 3443
alert(your_variable[1].id); // 50942
alert(your_variable[2].id); // 2524

answered Jun 13, 2011 at 11:33

metaforce

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Grant Thomas · Accepted Answer · 2011-06-13 11:32:03Z

2

If you know the names of the properties then look into the parseJSON method exposed by jQuery. This enables you to map the properties to a type, of sorts, such as:

var results = jQuery.parseJSON(jsonData);
for (int i = 0; i < results.length; i++) {
    alert(results[i].name + ":" + results[i].date);
}

You may need to tweak the inputs and exact use of the outputs in accordance with your data and requirements.

answered Jun 13, 2011 at 11:32

Grant Thomas

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2 Comments

Andy E Over a year ago

You don't need jQuery to parse JSON. Behind the scenes, jQuery just uses JSON.parse(), which most modern browsers support, or an eval-style Function(). If you don't want to use jQuery but you want cross browser support, you can use Douglas Crockford's compatibility implementation, available from json.org.

Grant Thomas Over a year ago

@Andy E: Thanks for the information - very useful, and something I didn't know.

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