Introduction to the $. extend method in jQuery to extend the JSON object, jqueryjson

Introduction to the $. extend method in jQuery to extend the JSON object, jqueryjson

$. Extend can be used to extend a JSON object. One or more other objects can be used to expand an object and return the extended object.

Example 1

Merge settings and options, modify and return settings

Var settings = {validate: false, limit: 5, name: "foo"}; var options = {validate: true, name: "bar"}; jQuery. extend (settings, options );

ResultSettings = {validate: true, limit: 5, name: "bar "}

Example 2

Merge ults and options without modifying defaults.

Var empty ={}; var defaults = {validate: false, limit: 5, name: "foo"}; var options = {validate: true, name: "bar "}; var settings = jQuery. extend (empty, defaults, options );

Result

Settings = {validate: true, limit: 5, name: "bar "}
Empty = {validate: true, limit: 5, name: "bar "}

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