I am looking to iterate through a JSON object that looks like
{"key1":"val1","key2":"val2","key3":"val3"}Here is my attempt:
var inobj = '[{"key1":"val1","key2":"val2","key3":"val3"}]';
var obj = eval(inobj);
for (var i = 0; i < 3; i++) {
var key = i;
var val = obj[key];
alert (key+' = '+val);
}
However, I am unsure of how to determine the length of obj.
let data = JSON.parse('{"name":"John","age":30,"city":"New York"}');
Object.keys(data).forEach(function (property) {
console.log(property + " : " + data[property]);
});
If you want to tally properties:
Object.keys(obj).length
check out this forum post: Tips on efficiently calculating the total number of properties in a JavaScript object
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