Layerx vs clientx

Avoid Layout Thrashing — the easy way Alexander Farkas - boffinHouse. What is Layout Thrashing? Layout Thrashing means: Forcing the browser to calculate a layout that is never rendered to the screen.

Cat vs Ball of Wool. Getting back intéressant de voir comment layerX, layerY est défini à la fois sur Chrome et Selon le nouveau Quirksmode, les méthodes clientX et clientY sont prises en clientX > Math.ceil(bounds.left + bounds.width)) { return true; } layerX; //e. outerHeight) //http://jsperf.com/offset-vs-getboundingclientrect/8 var box = elem. 1402276 · clientX/clientY inconsistent between the same website loaded in non- e10s and 411031 · LayerX/Y properties are incorrectly calculated when a event is 227605 · event listeners vs window loading, Core, clientX:t.pageX,this.clientY=void 0!==t.clientY?t.clientY:t.pageY,this.screenX=t.

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При этом, например, если ваше окно размером 500x500, а мышь находится в центре, тогда и clientX и clientY будут равны 250. Объекты event, которые предоставляет непосредственно javascript могут отличаться от браузера к браузеру. Поэтому, для обеспечения кроссбраузерности, перед передачей объекта event обработчику jQuery может изменить следующие из перечисленных полей: target. relatedTarget. The HTML DOM MouseEvent clientX property returns the horizontal (x) coordinate of the mouse pointer if a mouse event was triggered.

clientX. Gets the x-coordinate of the mouse pointer, relative to the upper-left corner of the viewport (that is, the application's client area). layerX. Gets the

To get the y-coordinate of the mouse pointer, use the screenY property. If you need the position of the mouse pointer relative to the top-left corner of the browser window's client area, use the clientX and clientY properties.

clientX/Y = pageX/Y - document.documentElement.getBoundingClientRect().left/top What changed here in Chromium 40/Edge is not so much the definition of clientX/Y, but of getBoundingClientRect(), probably because the layout viewport as a separate scrollable layer was introduced. screen Very old defintion: relative to the screen, in device pixels.

Google.com ranks #1 for example. Sets or retrieves the x-coordinate of the mouse pointer relative to the top-left corner of the screen. To get the y-coordinate of the mouse pointer, use the screenY property.

Gets the clientX. Gets the x-coordinate of the mouse pointer, relative to the upper-left corner of the viewport (that is, the application's client area). layerX. Gets the HRESULT value = object.get_layerX(* p); Property values. Type: long. The x-coordinate.

LayerX, layerY have an uncertain This tutorial explains the differences between the different X and Y coordinate values which exist inside of the mouse events.Code GIST: https://gist.github. @Rhys, I think both sets of values definitely have their place. The big question is - can you rely on the clientX/clientY to always be there? The beauty of the jQuery library is that it standardizes what is available in the event object; according to the docs, they promise to supply the pageX/pageY, not the clientX/clientY.

Syntax: window.event.clientY ctrlKey-retrieves current state of CONTROL key. Source: window.event.ctrlKey Thousands of clients trust Layer2 software products and services to manage their business-critical data and document migration, backup, integration, and synchronization. . More than 200 certified regional resellers and implementation partners make use of Layer2 tools to finish their customer projects faster, with lower risk and c clientX/Y refers to relative screen coordinates, for instance if your web-page is long enough then clientX/Y gives clicked point's coordinates location in terms of its actual pixel position while ScreenX/Y gives the ordinates in reference to start of page. Equivalent to clientX, clientY, but is unsupported by some browsers.

event.clientX: Returns the horizontal coordinate within the application’s client area at which the event occurred (as opposed to the coordinates within the page). event.pageX: Returns the horizontal coordinate of the event relative to whole document. Q&A for Work. Cannot read property 'clientX' of undefined: firstTouch.clientX in library_sdl.js: Pavel Duvanov: 5/22/17 8:55 AM: Hi, all! well, without those touch properties, click speed on Android phones is already equivalent to fast click. v.2.0-dev "Uncaught TypeError: Cannot read property 'clientX' of undefined".

Type: long.

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MouseRelatedEvent::receivedTarget() has this comment: // Adjust layerX/Y to be relative to the layer. // FIXME: We're pretty sure this is the wrong defintion of "layer." // Our RenderLayer is a more modern concept, and layerX/Y is some // other notion about groups of elements (left over from the Netscape 4 days?); // we should test and fix this.

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layerX, layerY. No Standard Mouse position relative to the closest positioned ancestor element. If none of the ancestor elements have positioning, the mouse position is relative to the document (like pageX, pageY). LayerX, layerY have an uncertain future. clientX/Y, pageX/Y and layerX/Y all get us the coordinates of the mouse with respect to the top-left corner of the client area, regardless of the padding of ‘body’. So whatever be the padding of your page’s body, you’ll always get the same values, no matter what.

pageX/Y 27 Mar 2019 This tutorial explains the differences between the different X and Y coordinate values which exist inside of the mouse events.Code GIST: 19 Feb 2021 The clientX read-only property of the MouseEvent interface provides the horizontal coordinate within the application's viewport at which the First, clientX, clientY. Compared with screenX, the reference point is changed to the upper left corner of the browser content area, and the reference point moves Mouse events and the difference between clientX, offsetX, screenX, pageX, x, documentation for layerX/Y was found. to sum up: Recommended Use: Scree. 27 Nov 2012 LayerX, layerY have an uncertain future. QuirksMode has a Know that only clientX, clientY, screenX, and screenY are part of the W3C Spec. pageX, pageY, screenX, screenY, clientX and clientY returns a number which indicates the number of physical pixels a point is from the reference point. If you need the position of the mouse pointer relative to the top-left corner of the browser window's client area, use the clientX and clientY properties.