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Offset: report offset for 0 sized elements

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Fixes gh-3267
Closes gh-3367
This commit is contained in:
Jason Bedard 2016-12-12 22:32:11 -08:00 committed by GitHub
parent 4e50967725
commit 1777899a74
2 changed files with 38 additions and 15 deletions
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7
src/offset.js
View File

@ -93,6 +93,7 @@ jQuery.fn.extend( {
return;
}
// Return zeros for disconnected and hidden (display: none) elements (gh-2310)
// Support: IE <=11 only
// Running getBoundingClientRect on a
// disconnected node in IE throws an error
@ -102,8 +103,6 @@ jQuery.fn.extend( {
rect = elem.getBoundingClientRect();
// Make sure element is not hidden (display: none)
if ( rect.width || rect.height ) {
doc = elem.ownerDocument;
win = getWindow( doc );
docElem = doc.documentElement;
@ -112,10 +111,6 @@ jQuery.fn.extend( {
top: rect.top + win.pageYOffset - docElem.clientTop,
left: rect.left + win.pageXOffset - docElem.clientLeft
};
}
// Return zeros for disconnected and hidden elements (gh-2310)
return rect;
},
position: function() {

32
test/unit/offset.js
View File

@ -42,7 +42,7 @@ QUnit.test( "empty set", function( assert ) {
} );
QUnit.test( "disconnected element", function( assert ) {
assert.expect( 2 );
assert.expect( 3 );
var result = jQuery( document.createElement( "div" ) ).offset();
@ -51,10 +51,11 @@ QUnit.test( "disconnected element", function( assert ) {
// valid input, but will return zeros for back-compat
assert.equal( result.top, 0, "Retrieving offset on disconnected elements returns zeros (gh-2310)" );
assert.equal( result.left, 0, "Retrieving offset on disconnected elements returns zeros (gh-2310)" );
assert.equal( Object.keys( result ).length, 2, "Retrieving offset on disconnected elements returns offset object (gh-3167)" );
} );
QUnit.test( "hidden (display: none) element", function( assert ) {
assert.expect( 2 );
assert.expect( 3 );
var node = jQuery( "<div style='display: none' />" ).appendTo( "#qunit-fixture" ),
result = node.offset();
@ -66,6 +67,33 @@ QUnit.test( "hidden (display: none) element", function( assert ) {
// valid input, but will return zeros for back-compat
assert.equal( result.top, 0, "Retrieving offset on hidden elements returns zeros (gh-2310)" );
assert.equal( result.left, 0, "Retrieving offset on hidden elements returns zeros (gh-2310)" );
assert.equal( Object.keys( result ).length, 2, "Retrieving offset on hidden elements returns offset object (gh-3167)" );
} );
QUnit.test( "0 sized element", function( assert ) {
assert.expect( 3 );
var node = jQuery( "<div style='margin: 5px; width: 0; height: 0' />" ).appendTo( "#qunit-fixture" ),
result = node.offset();
node.remove();
assert.notEqual( result.top, 0, "Retrieving offset on 0 sized elements (gh-3167)" );
assert.notEqual( result.left, 0, "Retrieving offset on 0 sized elements (gh-3167)" );
assert.equal( Object.keys( result ).length, 2, "Retrieving offset on 0 sized elements returns offset object (gh-3167)" );
} );
QUnit.test( "hidden (visibility: hidden) element", function( assert ) {
assert.expect( 3 );
var node = jQuery( "<div style='margin: 5px; visibility: hidden' />" ).appendTo( "#qunit-fixture" ),
result = node.offset();
node.remove();
assert.notEqual( result.top, 0, "Retrieving offset on visibility:hidden elements (gh-3167)" );
assert.notEqual( result.left, 0, "Retrieving offset on visibility:hidden elements (gh-3167)" );
assert.equal( Object.keys( result ).length, 2, "Retrieving offset on visibility:hidden elements returns offset object (gh-3167)" );
} );
testIframe( "absolute", "offset/absolute.html", function( assert, $, iframe ) {