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CSS vertical-align Property
The vertical-align property specifies the vertical alignment of an inline, inline-block or table-cell box. Inline-level elements include images, text, buttons, etc. This property works only in the following contexts: We can’t use the vertical-align property to vertically align block-level elements. Initial Value baseline Applies to Inline-level and table-cell elements, also applies to ::first-letter and ::first-line. Inherited No. Animatable Yes. The vertical alignment is animatable.…
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CSS user-select Property
The user-select property specifies whether or not the user can select text. The default value is “auto” which is determined as follows: Initial Value auto Applies to All elements, though some values have no effect on non-inline elements. Inherited No. Animatable No. Version CSS3 DOM Syntax object.style.userSelect = “text”; Syntax Example of the user-select property with the…
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JavaScript Numbers
Two types of numbers can be highlighted in modern JavaScript: Regular and bigInt. The Ways of Writing a Number Let’s say you want to write one billion. This is the most common way: In our practice, we commonly try to keep away from writing many zeroes. We prefer to write, for example, “1bn”. Now, we will…
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CSS unicode-range Property
The Unicode-range descriptor defines the specific range of the characters that are used with fonts specified by the @font-face property for the use on the page. When @font-face is not supported, a fallback font should be included. If the page does not use a character in the range, the font is not downloaded. If at least one character is used, the…
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JavaScript Methods of Primitives
In JavaScript, it is possible to work with primitives (numbers, strings, and more), as if they were objects. But, of course, there are notable differences between objects and primitives. So, primitive is a primitive type value. Seven types of primitives exist, among them are: number, bigint, symbol, string, boolean, null and undefined. An object can store multiple values as properties. You can create an object using {}. For example: Other kinds…
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Javascript Constructor, operator “new”
The “new” operator allows creating an instance of a user-defined object type or a built-in operator type that has a constructor function. You can do the following things using the “new” keyword. The {…} syntax lets developers create a single object. But, sometimes, it is necessary to generate many similar objects such as menu items, multiple users, and more. You can do it using…
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CSS unicode-bidi Property
The unicode-bidi property specifies the behavior of the bidirectional text in a document. The unicode-bidi property allows to override the Unicode algorithm and control the text embedding. The unicode-bidi property should not be overridden by users, authors, and web designers. It should commonly be used by DTD designers. The unicode-bidi and the direction properties are the only properties that are not affected by all property. Initial Value…
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JavaScript Object to Primitive Conversion
Now it’s time to find out what will happen if you add objects obj1 + obj2, subtract obj1 – obj2, or print using alert(obj). In such a case, objects will be auto-converted to primitives, after which the operation will be carried out. Here are the main rules for numeric, string, and boolean conversions of objects: ToPrimitive It is possible to enhance string and numeric conversion. To…
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CSS transition-timing-function Property
The transition-timing-function CSS property specifies transition proceeding over its duration allowing to change the speed. The transition-timing-function property is one of the CSS3 properties. It has the following values: Initial Value ease Applies to All elements, ::before and ::after pseudo-elements. Inherited No. Animatable No. Version CSS3 DOM Syntax object.style.transitionTimingFunction = “ease in”; Syntax Example of transition-timing-function: Example of transition-timing-function with…
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JavaScript Symbol Types
In general, object property keys can be of two types: string and symbol. Symbols are ultimately unique identifiers. They can be created by using the factory function Symbol(). For instance: After creating a symbol, you can give it a name or a description. It is especially useful for debugging practices. Let’s check out the following example: As we have…