Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.javascript > #34314

Re: get average height in an object

Show all headers | View raw

JRough <janis.rough@gmail.com> wrote on 11 Nov 2017 in
comp.lang.javascript: 

> This seems like it should be easy enough but I don't get any error
> messages in the console.  I used jslint and it objects to the
> console.log lines and it says it needs a semi colon after the data 
> object?  In any case, maybe I did something wrong with the second for
> loop where I am only trying to collect the height property.  I am not
> exactly sure how to get the height property from the data object.  The
> result of running this script is undefined.  thanks, 
> 
> const data          ={ 
>      "Matt" : {  "height" : 174, "weight": 69 },
>      "Jason" : { "height" : 190, "weight": 103 } 
>}
> function calcAvgHeight(data) { 
> "use strict";
> var count = '';
> var avgHeight = '';
> var result = [];
> for (var key in data){
>      if (!data.hasOwnProperty(key)){
>           return;
>     }
>      var obj = data[key];
>      for (var height in obj){
>           if(!obj.hasOwnProperty.height){
>                return;
>           }
>      
>                       console.log(obj[height]);
>                      result.push(obj[height]);
>                      count += 1;
>                      avgHeight = result/count;
>                      console.log(avgHeight);
>                          return avgHeight ;  
>     }
>    }
>}
> calcAvgHeight(data);
> 

<script>
'use strict';
let total = 0, numb = 0;
const data = { 
	"Matt" : {  "height" : 174, "weight": 69 },
	"Jason" : { "height" : 190, "weight": 103 } 
};

Object.keys(data).forEach( 
	(key) => {
		numb++;
		total += data[key]['height'];
		}
	);

console.log('total height = ' + total, 
	', number of heights = ' + numb,
	', average height = ' + total/numb);

</script>


-- 
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)

Back to comp.lang.javascript | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

get average height in an object JRough <janis.rough@gmail.com> - 2017-11-11 14:57 -0800
  Re: get average height in an object Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-11-12 06:04 -0200
    Re: get average height in an object Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-11-12 06:49 -0200
    Re: get average height in an object John G Harris <niam@jghnorth.org.uk.invalid> - 2017-11-12 13:39 +0000
    Re: get average height in an object Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-11-12 13:40 -0200
      Re: get average height in an object JRough <janis.rough@gmail.com> - 2017-11-13 12:06 -0800
      Re: get average height in an object Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-11-15 13:14 -0200
        Re: get average height in an object "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-11-15 22:21 +0100
          Re: get average height in an object "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-11-15 22:57 +0100
            Re: get average height in an object Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-11-16 02:46 -0200
              Re: get average height in an object "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-11-17 13:06 +0100
    Re: get average height in an object Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-11-12 18:24 +0100
      Re: get average height in an object Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-11-13 00:26 -0200
        Re: get average height in an object Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-11-13 03:42 +0100
          Re: get average height in an object Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-11-13 01:23 -0200
            Re: get average height in an object Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-11-13 14:16 +0100
              Re: get average height in an object Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2017-11-13 14:20 -0300
                Dictionary-like objects (was: get average height in an object) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-11-13 19:56 +0100
                Re: Dictionary-like objects Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2017-11-13 20:26 -0200
                Re: Dictionary-like objects Julio Di Egidio <julio@diegidio.name> - 2017-11-13 15:48 -0800
                Re: Dictionary-like objects Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-11-15 02:55 +0100
                Re: Dictionary-like objects Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-11-15 12:30 -0200
                Re: Dictionary-like objects John G Harris <niam@jghnorth.org.uk.invalid> - 2017-11-15 15:59 +0000
        Re: get average height in an object JRough <janis.rough@gmail.com> - 2017-11-13 12:08 -0800
      Re: get average height in an object John G Harris <niam@jghnorth.org.uk.invalid> - 2017-11-13 10:17 +0000
      Re: get average height in an object JRough <janis.rough@gmail.com> - 2017-11-13 12:07 -0800
  Re: get average height in an object "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-11-12 11:00 +0100
    Re: get average height in an object "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-11-12 11:15 +0100
    Re: get average height in an object JRough <janis.rough@gmail.com> - 2017-11-13 12:28 -0800

csiph-web