[英]EJS Parsing JSON Array within JSON Object
Please help me, I'm trying to parse json data from mongodb. 请帮助我,我正在尝试从mongodb解析json数据。 I need to access the inner json object activities-heart and heartRateZones to html table. 我需要将内部json对象activity-heart和heartRateZones访问到html表。
Json data 杰森数据
{
"_id":{ },
"refreshToken":"dba7449db19d20ce77f5a247ef2d9ac06e3387464c011b0424db1064bcfce503",
"profile":{
"provider":"fitbit",
"_json":{
"activities-heart":[
{
"customHeartRateZones":[ ],
"dateTime":"today",
"heartRateZones":[
{
"caloriesOut":2.80434,
"max":84,
"min":30,
"minutes":2,
"name":"Out of Range"
},
{
"caloriesOut":0,
"max":118,
"min":84,
"minutes":0,
"name":"Fat Burn"
},
{
"caloriesOut":0,
"max":143,
"min":118,
"minutes":0,
"name":"Cardio"
},
{
"caloriesOut":0,
"max":220,
"min":143,
"minutes":0,
"name":"Peak"
}
],
"value":"61.86"
}
],
javaScript for parsing json object 用于解析json对象的javaScript
<% for(var i=0; i<quotes.length; i++) {%>
<li class="quotes">
<span><%= quotes[i].profile._json.activities-heart %></span>
</li>
I am a beginner to the ejs. 我是ejs的初学者。 I'm getting "heart is not defined" error. 我收到“心脏未定义”错误。
JS treats activities-heart
as activities minus heart
, so it shows heart is not defined because it doesn't see any heart
variable (no worries, everything is fine with your body). JS将activities-heart
视为activities minus heart
,因此它表明未定义 activities minus heart
,因为它看不到任何heart
变量(不用担心,您的身体一切都很好)。 Try this: 尝试这个:
<span><%=
var datetime = quotes[i].profile._json['activities-heart'].dateTime;
var cardioZone = quotes[i].profile._json['activities-heart'].heartRateZones[2];
var cardioMinHR = cardioZone.min;
%></span>
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