Assign array to object javascript
You could use an accumulator aka Show
Pass an empty object If your array is a set of key-value pair objects:
will produce: For the sake of completeness,
will produce: Your accumulator can be of any type for you specific purpose. For example in order to swap the key and value of your object in an array, pass
will produce: Unlike
will produce: Caution: See a default implementation by Mozilla. The Parameters
The target object — what to apply the sources' properties to, which is returned after it is modified. sources The source object(s) — objects containing the properties you want to apply. Return valueThe target object. DescriptionProperties in the target object are overwritten by properties in the sources if they have the same key. Later sources' properties overwrite earlier ones. The For copying property definitions (including their enumerability) into prototypes, use Both In case of an error, for example if a property is
non-writable, a Note: ExamplesCloning an object
Warning for Deep Clone For deep cloning, we need to use alternatives, because If the source value is a reference to an object, it only copies the reference value.
Merging objects
Merging objects with same properties
The properties are overwritten by other objects that have the same properties later in the parameters order. Copying symbol-typed properties
Properties on the prototype chain and non-enumerable properties cannot be copied
Primitives will be wrapped to objects
Exceptions will interrupt the ongoing copying task
Copying accessors
Specifications
Browser compatibilityBCD tables only load in the browser See alsoCan we assign array to object in JavaScript?In order to push an array into the object in JavaScript, we need to utilize the push() function. With the help of Array push function this task is so much easy to achieve. push() function: The array push() function adds one or more values to the end of the array and returns the new length.
Can we assign array to an object?You can convert an array into an object using one of these three methods: The Object. assign() function. Loop over the array and construct a new object.
How do you assign an array of objects to an object?Ways to assign Arrays or Objects to other variables.. Assignment Operator. Most Common way to assign a variable to another variable is Assignment Operator (=). ... . Object.assign() This is another way in assigning Array or Objects to another variable. ... . Spread Operator. ... . JSON.parse and JSON.stringify.. How do you map an array to an object?To convert an array of objects to a Map , call the map() method on the array and on each iteration return an array containing the key and value. Then pass the array of key-value pairs to the Map() constructor to create the Map object.
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