GetJSON - Revision history

Ghenne at 22:56, 12 November 2020

2020-11-12T22:56:16Z

← Older revision		Revision as of 22:56, 12 November 2020
Line 11:		Line 11:
	''callback'' is the name of the function in your program to be called when the request is complete. Since the request may take a little while to complete, your app will continue execution immediately after the GetJSON() function is called. The results will not be available until the ''callback'' function is called. The returned data is passed to the ''callback'' function. If the JSON being loaded is invalid, callback will not be executed.		''callback'' is the name of the function in your program to be called when the request is complete. Since the request may take a little while to complete, your app will continue execution immediately after the GetJSON() function is called. The results will not be available until the ''callback'' function is called. The returned data is passed to the ''callback'' function. If the JSON being loaded is invalid, callback will not be executed.

	If you are using this with ~~PhoneGap~~, remember to [http://docs.phonegap.com/en/3.4.0/guide_appdev_whitelist_index.md.html#Whitelist%20Guide add the remote site to your whitelist]. Do this by adding lines to your ~~PhoneGap~~ configxml project property.		If you are using this with VoltBuilder, remember to [http://docs.phonegap.com/en/3.4.0/guide_appdev_whitelist_index.md.html#Whitelist%20Guide add the remote site to your whitelist]. Do this by adding lines to your configxml project property.

	For uploading data, GetJSON has a limit imposed by a server setting: it is usually 8192 bytes. There is no response size limit. If you need to send more information, use the [[Ajax]]() function.		For uploading data, GetJSON has a limit imposed by a server setting: it is usually 8192 bytes. There is no response size limit. If you need to send more information, use the [[Ajax]]() function.

Ghenne at 15:36, 24 July 2019

2019-07-24T15:36:09Z

@@ Line 56: / Line 56: @@
 Certain characters, such as the space key, are not allowed in URL strings. The above example would fail on the city "New York" if it was not encoded. The [[EncodeURIComponent/decodeURIComponent|encodeURIComponent]]() function converts your parameters into a string which will work perfectly as a URL.
-== Example (BASIC) ==
+== Example ==
-<pre>
+<tabber>
 Function btnLoad_onclick()
    Dim city, url
@@ Line 69: / Line 85: @@
    MsgBox "Temperature is " & (data.main.temp - 273.15)
 End Sub
-</pre>
+</syntaxhighlight>
+</tabber>
 == Related Items ==

C185driver: /* Example (JavaScript) */

2015-09-22T05:50:35Z

Example (JavaScript)

← Older revision		Revision as of 05:50, 22 September 2015
Line 75:		Line 75:
	<pre>		<pre>
	function btnLoad_onclick() {		function btnLoad_onclick() {
	var city, url		var city, url;
	city = "q=" + encodeURIComponent(txtCity.value);		city = "q=" + encodeURIComponent(txtCity.value);
	url = "http://api.openweathermap.org/data/2.5/weather";		url = "http://api.openweathermap.org/data/2.5/weather";

C185driver: /* Example (JavaScript) */

2015-09-22T05:46:38Z

Example (JavaScript)

← Older revision		Revision as of 05:46, 22 September 2015
Line 75:		Line 75:
	<pre>		<pre>
	function btnLoad_onclick() {		function btnLoad_onclick() {
	var city = "q=" + encodeURIComponent(txtCity.value);		var city, url
	~~var URL~~ = "http://api.openweathermap.org/data/2.5/weather";		city = "q=" + encodeURIComponent(txtCity.value);
	GetJSON(~~URL~~, city, weatherData);		url = "http://api.openweathermap.org/data/2.5/weather";
			GetJSON(url, city, weatherData);
	}		}

	function weatherData(data) {		function weatherData(data) {
	alert("Temperature is " + data.main.temp - 273.15);		alert("Temperature is " + (data.main.temp - 273.15));
	}		}
	</pre>		</pre>

C185driver: /* Example (BASIC) */

2015-09-22T05:45:26Z

Example (BASIC)

← Older revision		Revision as of 05:45, 22 September 2015
Line 60:		Line 60:
	<pre>		<pre>
	Function btnLoad_onclick()		Function btnLoad_onclick()
	Dim city = "q=" & encodeURIComponent(txtCity.value)		Dim city, url
	~~Dim URL~~ = "http://api.openweathermap.org/data/2.5/weather"		city = "q=" & encodeURIComponent(txtCity.value)
	GetJSON(~~URL~~, city, weatherData)		url = "http://api.openweathermap.org/data/2.5/weather"
			GetJSON(url, city, weatherData)
	End Function		End Function

	Sub weatherData(data)		Sub weatherData(data)
	MsgBox "Temperature is " & data.main.temp - 273.15		MsgBox "Temperature is " & (data.main.temp - 273.15)
	End Sub		End Sub
	</pre>		</pre>

Ghenne at 14:36, 22 February 2015

2015-02-22T14:36:15Z

← Older revision		Revision as of 14:36, 22 February 2015
Line 1:		Line 1:
	GetJSON(''url'',''data'',''callback'')		GetJSON(''url''[,''data''][,''callback''])

	== Description ==		== Description ==
Line 9:		Line 9:
	''data'' is the information about the request. If multiple fields are being passed, include them in a single string, separated by ampersand (&) characters. It's best to do an [[EncodeURIComponent/decodeURIComponent\|encodeURIComponent]]() to the data to make sure that spaces and other special characters are properly formatted.		''data'' is the information about the request. If multiple fields are being passed, include them in a single string, separated by ampersand (&) characters. It's best to do an [[EncodeURIComponent/decodeURIComponent\|encodeURIComponent]]() to the data to make sure that spaces and other special characters are properly formatted.

	''callback'' is the name of the function in your program to be called when the request is complete. Since the request may take a little while to complete, your app will continue execution immediately after the GetJSON() function is called. The results will not be available until the ''callback'' function is called. The returned data is passed to the ''callback'' function.		''callback'' is the name of the function in your program to be called when the request is complete. Since the request may take a little while to complete, your app will continue execution immediately after the GetJSON() function is called. The results will not be available until the ''callback'' function is called. The returned data is passed to the ''callback'' function. If the JSON being loaded is invalid, callback will not be executed.

	If you are using this with PhoneGap, remember to [http://docs.phonegap.com/en/3.4.0/guide_appdev_whitelist_index.md.html#Whitelist%20Guide add the remote site to your whitelist]. Do this by adding lines to your PhoneGap configxml project property.		If you are using this with PhoneGap, remember to [http://docs.phonegap.com/en/3.4.0/guide_appdev_whitelist_index.md.html#Whitelist%20Guide add the remote site to your whitelist]. Do this by adding lines to your PhoneGap configxml project property.

James: Updated link.

2014-07-14T21:27:15Z

Updated link.

← Older revision		Revision as of 21:27, 14 July 2014
Line 87:		Line 87:

	* [[Ajax]]		* [[Ajax]]
	* [[~~encodeURIComponent~~]]		* [[EncodeURIComponent/decodeURIComponent]]

	[[Category:Language Reference]]		[[Category:Language Reference]]

	[[Category:Miscellaneous]]		[[Category:Miscellaneous]]

James: /* Related Items */ Added encodeURIComponent and fixed Ajax link

2014-07-14T19:30:52Z

Related Items: Added encodeURIComponent and fixed Ajax link

← Older revision		Revision as of 19:30, 14 July 2014
Line 86:		Line 86:
	== Related Items ==		== Related Items ==

	[[~~ajax\|~~Ajax]]		* [[Ajax]]
			* [[encodeURIComponent]]

	[[Category:Language Reference]]		[[Category:Language Reference]]

	[[Category:Miscellaneous]]		[[Category:Miscellaneous]]

Ghenne: /* Example */

2014-06-15T10:44:07Z

Example

← Older revision		Revision as of 10:44, 15 June 2014
Line 56:		Line 56:
	Certain characters, such as the space key, are not allowed in URL strings. The above example would fail on the city "New York" if it was not encoded. The [[EncodeURIComponent/decodeURIComponent\|encodeURIComponent]]() function converts your parameters into a string which will work perfectly as a URL.		Certain characters, such as the space key, are not allowed in URL strings. The above example would fail on the city "New York" if it was not encoded. The [[EncodeURIComponent/decodeURIComponent\|encodeURIComponent]]() function converts your parameters into a string which will work perfectly as a URL.

	== Example ==		== Example (BASIC) ==

	<pre>		<pre>
Line 68:		Line 68:
	MsgBox "Temperature is " & data.main.temp - 273.15		MsgBox "Temperature is " & data.main.temp - 273.15
	End Sub		End Sub
			</pre>

			== Example (JavaScript) ==

			<pre>
			function btnLoad_onclick() {
			var city = "q=" + encodeURIComponent(txtCity.value);
			var URL = "http://api.openweathermap.org/data/2.5/weather";
			GetJSON(URL, city, weatherData);
			}

			function weatherData(data) {
			alert("Temperature is " + data.main.temp - 273.15);
			}
	</pre>		</pre>

Ghenne: /* Description */

2014-04-03T12:18:46Z

Description

← Older revision		Revision as of 12:18, 3 April 2014
Line 12:		Line 12:

	If you are using this with PhoneGap, remember to [http://docs.phonegap.com/en/3.4.0/guide_appdev_whitelist_index.md.html#Whitelist%20Guide add the remote site to your whitelist]. Do this by adding lines to your PhoneGap configxml project property.		If you are using this with PhoneGap, remember to [http://docs.phonegap.com/en/3.4.0/guide_appdev_whitelist_index.md.html#Whitelist%20Guide add the remote site to your whitelist]. Do this by adding lines to your PhoneGap configxml project property.

			For uploading data, GetJSON has a limit imposed by a server setting: it is usually 8192 bytes. There is no response size limit. If you need to send more information, use the [[Ajax]]() function.

	This function is a wrapper for the jQuery [http://api.jquery.com/jQuery.getJSON/ $.getJSON()] function. It works identically.		This function is a wrapper for the jQuery [http://api.jquery.com/jQuery.getJSON/ $.getJSON()] function. It works identically.