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React (JavaScript library) React (also known as React.js or ReactJS) is a free and open-source front-end JavaScript library [4] [5] for building user interfaces based on components. It is maintained by Meta (formerly Facebook) and a community of individual developers and companies.
When an input field is changed. When an HTML form is submitted. When a user presses a key [2] Historically, like DOM, the event models used by various web browsers had some significant differences which caused compatibility problems. To combat this, the event model was standardized by the World Wide Web Consortium (W3C) in DOM Level 2.
It is a catalytic reaction with carbene, or more accurately, transition metal carbene complex intermediates. In this example (ethenolysis, a pair of vinyl compounds form a new symmetrical alkene with expulsion of ethylene. Other rearragement reactions 1,3-rearrangements. 1,3-rearrangements take place over 3 carbon atoms. Examples:
The 1,3-dipolar cycloaddition is a chemical reaction between a 1,3-dipole and a dipolarophile to form a five-membered ring. The earliest 1,3-dipolar cycloadditions were described in the late 19th century to the early 20th century, following the discovery of 1,3-dipoles. Mechanistic investigation and synthetic application were established in the ...
In chemistry, SNi ( substitution nucleophilic internal) refers to a specific, regio-selective but not often encountered reaction mechanism for nucleophilic aliphatic substitution. The name was introduced by Cowdrey et al. in 1937 to label nucleophilic reactions which occur with retention of configuration, [1] but later was employed to describe ...
Reaction formation is an effective form of disguise, and can be utilized in many forms. For example, "solicitude may be a reaction-formation against cruelty, cleanliness against coprophilia". An analyst might explain a client's unconditional pacifism as a reaction formation against their sadism. In addition,
Rust is an iron oxide, a usually reddish-brown oxide formed by the reaction of iron and oxygen in the catalytic presence of water or air moisture. Rust consists of hydrous iron (III) oxides (Fe 2 O 3 ·nH 2 O) and iron (III) oxide-hydroxide (FeO (OH), Fe (OH) 3 ), and is typically associated with the corrosion of refined iron .
Neutralization (chemistry) Animation of a strong acid–strong base neutralization titration (using phenolphthalein ). The equivalence point is marked in red. In chemistry, neutralization or neutralisation (see spelling differences) is a chemical reaction in which acid and a base react with an equivalent quantity of each other.