Results 281 - 300 of 885

Object.prototype.isPrototypeOf()

The isPrototypeOf() method tests for an object in another object's prototype chain.
JavaScript Method Object Prototype

Object.observe()

The Object.observe() method was used for asynchronously observing the changes to an object. It provided a stream of changes in the order in which they occur. However, this API has been deprecated and removed from browsers. You can use the more general Proxy object instead.
JavaScript Method Object Obsolete

Object.prototype.propertyIsEnumerable()

The propertyIsEnumerable() method returns a Boolean indicating whether the specified property is enumerable.
JavaScript Method Object Prototype

Object.prototype

The Object.prototype property represents the Object prototype object.
JavaScript Object Property

Object.prototype.toLocaleString()

The toLocaleString() method returns a string representing the object. This method is meant to be overridden by derived objects for locale-specific purposes.
JavaScript Method Object Prototype

Object.prototype.toSource()

The toSource() method returns a string representing the source code of the object.
JavaScript Method Object Prototype

Object.prototype.toString()

The toString() method returns a string representing the object.
JavaScript Method Object Prototype

Object.unobserve()

The Object.unobserve() method was used to remove observers set by Object.observe(), but has been deprecated and removed from Browsers. You can use the more general Proxy object instead.
JavaScript Method Object Obsolete

Object.prototype.valueOf()

The valueOf() method returns the primitive value of the specified object.
JavaScript Method Object Prototype

Object.prototype.watch()

The watch() method watches for a property to be assigned a value and runs a function when that occurs.
JavaScript Method Object Prototype

ParallelArray

The goal of ParallelArray was to enable data-parallelism in web applications. The higher-order functions available on ParallelArray attempted to execute in parallel, though they may fall back to sequential execution if necessary. To ensure that your code executes in parallel, it is suggested that the functions should be limited to the parallelizable subset of JS that Firefox supports.
JavaScript Obsolete ParallelArray

Promise

The Promise object is used for asynchronous computations. A Promise represents a value which may be available now, or in the future, or never.
ECMAScript6 JavaScript Promise

Promise.all()

The Promise.all(iterable) method returns a promise that resolves when all of the promises in the iterable argument have resolved, or rejects with the reason of the first passed promise that rejects.
ECMAScript6 JavaScript Method Promise

Promise.prototype

The Promise.prototype property represents the prototype for the Promise constructor.
JavaScript Promise Property

Promise.race()

The Promise.race(iterable) method returns a promise that resolves or rejects as soon as one of the promises in the iterable resolves or rejects, with the value or reason from that promise.
ECMAScript6 JavaScript Method Promise

Promise.reject()

The Promise.reject(reason) method returns a Promise object that is rejected with the given reason.
ECMAScript6 JavaScript Method Promise

Promise.resolve()

The Promise.resolve(value) method returns a Promise object that is resolved with the given value. If the value is a thenable (i.e. has a "then" method), the returned promise will "follow" that thenable, adopting its eventual state; otherwise the returned promise will be fulfilled with the value.
ECMAScript6 JavaScript Method Promise

Proxy

The Proxy object is used to define custom behavior for fundamental operations (e.g. property lookup, assignment, enumeration, function invocation, etc).
ECMAScript6 JavaScript Proxy

Proxy handler

The proxy's handler object is a placeholder object which contains traps for proxies.
ECMAScript6 JavaScript Proxy

handler.apply()

The handler.apply() method is a trap for a function call.
ECMAScript6 JavaScript Method Proxy