Why am I getting repeated values in the following JavaScript operation? -


i have object names of days in week keys values array of objects information opening , closing time in different shifts. 

let openingtimes =  {     sunday: [         { id: 1, shift: 'morning', opening_time: '07:00', closing_time: '11:00' },         { id: 1, shift: 'day',    opening_time: '13:30', closing_time: '16:30' },         { id: 1, shift: 'night', opening_time: '20:00', closing_time: '23:00' }     ],     monday: [         { id: 1, shift: 'day',    opening_time: '13:30', closing_time: '16:30' }     ],     wednesday: [         { id: 1, shift: 'morning', opening_time: '07:00', closing_time: '12:00' },         { id: 1, shift: 'night', opening_time: '20:00', closing_time: '23:00' }     ],     thursday: [         { id: 1, shift: 'morning', opening_time: '07:00', closing_time: '12:00' },         { id: 1, shift: 'night', opening_time: '20:00', closing_time: '23:00' }     ],     friday: [         { id: 1, shift: 'day',    opening_time: '13:30', closing_time: '16:30' },         { id: 1, shift: 'night', opening_time: '20:00', closing_time: '23:00' }     ], };

i'm trying make small change in json data. values of name of days, i'm trying add objects keys shifts , values array of time starting time closing time difference of 15 minutes in between them.

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while did succeed in building list, i'm unable figure out why i'm getting same values days. i'm missing simple somewhere.

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here's code.

let object1 = {}; let object2 = {};  (let key in openingtimes) {     openingtimes[key].foreach(item =>     {          /* separate opening time parts colon */         let oparts = item.opening_time.split(':');         let ohour = oparts[0];         let omins = oparts[1];          /* separate closing time parts colon */         let cparts = item.closing_time.split(':');         let chour = cparts[0];         let cmins = cparts[1];          object1[item.shift] = buildtimearray(ohour, omins, chour, cmins, 15);          object2[key] = object1;     }); }  console.log(object2);  /**  * gather restaurant hours , return array of available delivery times in difference of specified minutes  * @params  opening hour, opening minutes, closing hour, closing minutes, miutes interval  */ function buildtimearray(ohour, omins, chour, cmins, interval_mins) {     let result = [];     let start = new date('','','',ohour, omins);     let end = new date('','','',chour, cmins);     (let d = start; d <= end; d.setminutes(d.getminutes() + interval_mins))     {         result.push(this.meridiantime(d));     }     return result; }  /**  * build time in 12 hrs am/pm format  */ function meridiantime(inputdate) {     let hours = inputdate.gethours();     let minutes = inputdate.getminutes();     let ampm = hours < 12 ? "am" : (hours = hours % 12, "pm");      hours =  hours === 0 ? 12 : hours < 10? ("0" + hours) : hours;     minutes = minutes < 10 ? ("0" + minutes) : minutes;     return hours + ":" + minutes + " " + ampm; }

objects passed reference in javascript, adding same object each time.

let openingtimes = {    sunday: [{        id: 1,        shift: 'morning',        opening_time: '07:00',        closing_time: '11:00'      },      {        id: 1,        shift: 'day',        opening_time: '13:30',        closing_time: '16:30'      },      {        id: 1,        shift: 'night',        opening_time: '20:00',        closing_time: '23:00'      }    ],    monday: [{      id: 1,      shift: 'day',      opening_time: '13:30',      closing_time: '16:30'    }],    wednesday: [{        id: 1,        shift: 'morning',        opening_time: '07:00',        closing_time: '12:00'      },      {        id: 1,        shift: 'night',        opening_time: '20:00',        closing_time: '23:00'      }    ],    thursday: [{        id: 1,        shift: 'morning',        opening_time: '07:00',        closing_time: '12:00'      },      {        id: 1,        shift: 'night',        opening_time: '20:00',        closing_time: '23:00'      }    ],    friday: [{        id: 1,        shift: 'day',        opening_time: '13:30',        closing_time: '16:30'      },      {        id: 1,        shift: 'night',        opening_time: '20:00',        closing_time: '23:00'      }    ],  };    let object2 = {};    (let key in openingtimes) {      let object1 = {};      openingtimes[key].foreach(item => {      /* separate opening time parts colon */      let oparts = item.opening_time.split(':');      let ohour = oparts[0];      let omins = oparts[1];        /* separate closing time parts colon */      let cparts = item.closing_time.split(':');      let chour = cparts[0];      let cmins = cparts[1];        object1[item.shift] = buildtimearray(ohour, omins, chour, cmins, 15);        object2[key] = object1;    });  }  console.log(object2);      /**   * gather restaurant hours , return array of available delivery times in difference of specified minutes   * @params  opening hour, opening minutes, closing hour, closing minutes, miutes interval   */  function buildtimearray(ohour, omins, chour, cmins, interval_mins) {    let result = [];    let start = new date('', '', '', ohour, omins);    let end = new date('', '', '', chour, cmins);    (let d = start; d <= end; d.setminutes(d.getminutes() + interval_mins)) {      result.push(this.meridiantime(d));    }    return result;  }    /**   * build time in 12 hrs am/pm format   */  function meridiantime(inputdate) {    let hours = inputdate.gethours();    let minutes = inputdate.getminutes();    let ampm = hours < 12 ? "am" : (hours = hours % 12, "pm");      hours = hours === 0 ? 12 : hours < 10 ? ("0" + hours) : hours;    minutes = minutes < 10 ? ("0" + minutes) : minutes;    return hours + ":" + minutes + " " + ampm;  }


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