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-rw-r--r--src/ajax.js5
-rw-r--r--src/ajax/xhr.js1
-rw-r--r--test/data/mock.php8
-rw-r--r--test/unit/ajax.js20
4 files changed, 27 insertions, 7 deletions
diff --git a/src/ajax.js b/src/ajax.js
index dc9fb242b..36a9c9b57 100644
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -846,8 +846,9 @@ jQuery.extend( {
jQuery.each( [ "get", "post" ], function( _i, method ) {
jQuery[ method ] = function( url, data, callback, type ) {
- // Shift arguments if data argument was omitted
- if ( typeof data === "function" ) {
+ // Shift arguments if data argument was omitted.
+ // Handle the null callback placeholder.
+ if ( typeof data === "function" || data === null ) {
type = type || callback;
callback = data;
data = undefined;
diff --git a/src/ajax/xhr.js b/src/ajax/xhr.js
index a024bb236..528a5c748 100644
--- a/src/ajax/xhr.js
+++ b/src/ajax/xhr.js
@@ -15,7 +15,6 @@ var xhrSuccessStatus = {
jQuery.ajaxTransport( function( options ) {
var callback;
- // Cross domain only allowed if supported through XMLHttpRequest
return {
send: function( headers, complete ) {
var i,
diff --git a/test/data/mock.php b/test/data/mock.php
index c72bea9f3..0cb88cf47 100644
--- a/test/data/mock.php
+++ b/test/data/mock.php
@@ -95,9 +95,9 @@ QUnit.assert.ok( true, "mock executed");';
}
if ( isset( $req->query['array'] ) ) {
- echo '[ {"name": "John", "age": 21}, {"name": "Peter", "age": 25 } ]';
+ echo '[{"name":"John","age":21},{"name":"Peter","age":25}]';
} else {
- echo '{ "data": {"lang": "en", "length": 25} }';
+ echo '{"data":{"lang":"en","length":25}}';
}
}
@@ -112,8 +112,8 @@ QUnit.assert.ok( true, "mock executed");';
$callback = $_POST['callback'];
}
$json = isset( $req->query['array'] ) ?
- '[ { "name": "John", "age": 21 }, { "name": "Peter", "age": 25 } ]' :
- '{ "data": { "lang": "en", "length": 25 } }';
+ '[{"name":"John","age":21},{"name":"Peter","age":25}]' :
+ '{"data":{"lang":"en","length":25}}';
echo cleanCallback( $callback ) . '(' . $json . ')';
}
diff --git a/test/unit/ajax.js b/test/unit/ajax.js
index 05dd7d36c..18e36489d 100644
--- a/test/unit/ajax.js
+++ b/test/unit/ajax.js
@@ -2593,6 +2593,26 @@ if ( typeof window.ArrayBuffer === "undefined" || typeof new XMLHttpRequest().re
} );
} );
+ QUnit.test( "jQuery.get( String, null-ish, String ) - dataType with null callback (gh-4989)",
+ function( assert ) {
+ assert.expect( 2 );
+ var done = assert.async( 2 );
+
+ jQuery.get( url( "mock.php?action=json&header" ), null, "json" )
+ .then( function( json ) {
+ assert.deepEqual( json, { data: { lang: "en", length: 25 } },
+ "`dataType: \"json\"` applied with a `null` callback" );
+ done();
+ } );
+
+ jQuery.get( url( "mock.php?action=json&header" ), null, "text" )
+ .then( function( text ) {
+ assert.strictEqual( text, "{\"data\":{\"lang\":\"en\",\"length\":25}}",
+ "`dataType: \"text\"` applied with a `null` callback" );
+ done();
+ } );
+ } );
+
//----------- jQuery.getJSON()
QUnit.test( "jQuery.getJSON( String, Hash, Function ) - JSON array", function( assert ) {