<mark>

<span>

<highlight>

<aside>

selected="selected"

checked="true"

selected="true"

checked="checked"

An object selector

A DOM selector

A CSS3 selector

An XML selector

The socket is much smaller in bytes.

The HTTP request is fail-safe.

The HTTP request only works with Linux servers.

The socket is encrypted.

They can't; that is the responsibility of code on the UI thread

By changing the state of a web page

They can't; there is no way to update the UI once a worker is started

By updating the contents of DOM elements

Function scope

Closures

Document Object Model (DOM)

The global window object

queryDOM

querySelector

query

querySelectorAll

A polyfill library

A fallback library

A feature detection library

A HTML5 upgrade library

sendMessage

postData

sendData

postMessage

<input type="textarea" />

<textarea type="input">words</textarea>

<textarea>words</textarea>

readyState

getState

queryState

socketState

The spec is abandoned and browser makers have ceased work on the implementation.

Relational databases are not well suited for working with JavaScript objects.

There is no need for two database implementations in the browser.

There is no common flavor of SQL that works in all browsers.

initPath

startPath

loadPath

beginPath

Handle source drag event and look at the event arguments for the isDroppable property.

Handle the dropping event and look and inspect the event argument for dataTransfer.types that equal File.

Handle the dropped event and look and inspect the event argument for dataTransfer.types that equal Files.

Handle the os event and look and inspect the event argument for dataTransfer.types that equal text/plain.

timeout

permission denial to network

network error

cannot process at this time

unknown error