Jquery comparing object

Question

var videoinfo = [{
    "startdatetime":"2014-12-21 00:23:14",
    "totalsecondrun":"5",
    "videolist":[
        {
            "videoid":"uoSDF234",
            "second":"10"
        },
        {
            "videoid":"0apq3ss",
            "second":"14"
        }
    ]
}];

I need a function to calculate current video and second, but so far I don't have any idea how to start.

use totalsecondrun to find currently playing which video
base on totalsecondrun is between which video now.
exmaple: totalsecondrun:"5", 5 so should be the first video, function return videoid and second (totalsecondrun:"5" - first video second = video stopped second)
example: totalsecondrun:"12", 12 is more than first video, so now it should be second video, so function return videoid and second too.

Anyone can suggest me what should I do ?

can you be more clear . seems you already have solution to your problem . what you are not able to do ? — shifu
– shifu, Commented Jan 8, 2015 at 6:57
What is the exact problem you are facing, apart from the logic? Are you asking how to access values from the JSON? — surajck
– surajck, Commented Jan 8, 2015 at 7:01

shifu · Accepted Answer · 2015-01-08 07:28:22Z

1

see if this is what you want to do .

var videoinfo = [{
        "startdatetime":"2014-12-21 00:23:14",
        "totalsecondrun":"5",
        "videolist":[
            {
                "videoid":"uoSDF234",
                "second":"10"
            },
            {
                "videoid":"0apq3ss",
                "second":"14"
            }
        ]
    }];
    getVedioID();
    function getVedioID(){
        var sum = 0;
        var list = videoinfo[0].videolist;
        for(var i=0 ; i<list.length ; ++i){
            sum+=parseInt(list[i].second);
            if(sum > parseInt(videoinfo[0].totalsecondrun)){
                var ans = {};
                ans['curr'] = list[i].videoid;
                ans['next'] = list[i+1].videoid;
                break;
            }
        }
        return ans;
    }

answered Jan 8, 2015 at 7:28

shifu

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4 Comments

FeelRightz Over a year ago

if I change the totalsecondrun to 11 mean more than first video second it will error

FeelRightz Over a year ago

OK I have modify some of your code to what I expected so far, now my problem only left one. second part , if i set totalsecondrun is 5 the ans should give me the rest 5 also. if i set totalsecondrun to 11 it should give me the 13

shifu Over a year ago

i just showed how to handle json for your case . error handling hope you can do self.

FeelRightz Over a year ago

OK, I have done what I want because of your suggestion code, I tried to keep modify what I need, finally I did ! Thanks you so much !

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