How to remove the first weather in weather forecast using weather api

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here's the code.

setWeatherForecast(unit: any, scaleTemp: any) {
    this.forecast.splice(0, this.forecast.length);
    this.weatherService.getLocation().subscribe(data => {
      this.lat = JSON.parse(data['_body']).latitude;
      this.lon = JSON.parse(data['_body']).longitude;

      this.weatherService
        .fiveDayForecast(this.lat, this.lon, unit)
        .subscribe(forecastData => {
          for (let i = 0; i < forecastData.list.length; i = i + 8) {
            console.log(forecastData.list[i]);
            const forecastWeather = new Forecast(
              forecastData.city.name,
              forecastData.list[i].weather[0].description,
              forecastData.list[i].main.temp.toFixed(0) + scaleTemp,
              forecastData.list[i].dt_txt.replace(/\s/, 'T'),
              forecastData.list[i].weather[0].icon
            );
            this.forecast.push(forecastWeather);
          }
          return this.forecast;
        });
    });
  }

what I want is to remove the first weather in weather forecast. for example.

friday, saturday, sunday, monday, tuesday, wednesday

it will remove the saturday. it only display the sunday to tuesday.

this.forecast.splice(0,1);

or

this.forecast.shift()

for more clarification see this link

Now first index removed from your forecast array.

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You should use splice

this.forecast.splice(0, 1)

where 0 is the index position and 1 the number of element to remove

example

list=["bar", "baz", "foo", "qux"]
list.splice(2, 1)
// Starting at index position 2, remove one element
["bar", "baz", "qux"]

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return this.forecast.shift();

to remove the first weather in forecast.

you can use the shift() - method removes the first element from an array and returns that removed.

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/shift

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Comments
  • it replace the sunday to tuesday
  • {...friday},{...saturday}, {...sunday}, {...monday}, {...tuesday} output. but it remove the saturday to tuesday instead it will remove the friday