To help with this situation, some new viewport units have been added to CSS, such assvw,svh,lvw,lvh,dvw, anddvh. You can read about them in our comprehensive article onCSS sizing units. Conclusion In this article, we’ve briefly covered the meaning and applications of thevh,vw,vminandvm...
viewportcan be bothHTMLElementorjQuery object, meaning as for CSS selectors; Return: object: inViewport- boolean, is element fully fits viewport vertical- string, element's state along vertical axis relatively to viewport horizontal- string, element's state along horizontal axis relatively to viewport...
和桌面一样,document.documentelement.offsetWidth/Height给出了以CSS像素为单位的元素的总大小。 document. documentElement. offsetWidth / Height Meaning Total size of theelement. Measured in CSS pixels Full support Opera, iPhone, Android, Symbian, Samsung, Iris, Bolt, Firefox, MicroB, Skyfire, BlackBerr...
NameMeaningDefault valueExample value container The scrolling container of the elements in the elements_selector option. document document.querySelector('.scrollPanel') elements_selector The CSS selector of the elements to load lazily, which will be selected as descendants of the container object. ...
In other words, zooming to 200% makes one CSS pixel grow to four times the size of one device pixels. (Two times the width, two times the height, yields four times in total). Now let’s zoom out. The CSS pixels start to shrink, meaning that one device pixel now overlaps several CS...
Safari 3.1 - 5.1: Not supported 6: Partial support 6.1 - 17.1: Supported 17.2: Supported 17.3 - TP: Supported Firefox 2 - 18: Not supported 19 - 120: Supported 121: Supported 122 - 124: Supported Opera 9 - 12.1: Not supported
The initial-scale attribute in the viewport meta tag sets the page zoom to 100%, meaning the page should not be scaled. This attribute is particularly crucial for browsers that need it, even though its effect may not be visible in many browsers. ...
In order to understand the meaning of each of thealignvalues, we’re going to first introduce each of the “axes”. Remember the<min-x>and<min-y>values of theviewBox? We’re going to use each of these to define the “min-x” axis and “min-y” axis on theviewBox. Additionally,...
Ideally the @viewport rule will be standardised and supported soon, meaning one viewport declaration method. Until then my advice would be to simply repeat viewport settings via both methods. This is not a case of pandering to IE, @viewport is the proposed standard and is supported by Opera ...
The default is 0 (meaning as soon as even one pixel is visible, the callback will be run) false options.unobserveOnEnter boolean false If true, target element stops being observed after the first time it appears in the viewport. Can be used when you want to fire the callback only ...