selenium-webdriver
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The official WebDriver JavaScript bindings from the Selenium project
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<meta charset="UTF-8"><meta http-equiv="Content-Language" content="en" /><title>webdriver.promise.Task_</title><link href="dossier.css" rel="stylesheet" type="text/css"><div id="main-wrapper"><input type="checkbox" id="sidenav-toggle" /><main><header><h1>Class webdriver.promise.Task_</h1><a class="source" href="source/lib/webdriver/promise.js.src.html#l2031">code »</a><pre><code>webdriver.promise.Promise.<(T|null)>
└ <a href="class_webdriver_promise_Deferred.html">webdriver.promise.Deferred</a>
└ <a href="class_webdriver_promise_Node_.html">webdriver.promise.Node_</a>
└ webdriver.promise.Task_</code></pre><dl><dt>All implemented interfaces:<dd><code><a href="">webdriver.promise.Thenable.<(T|null)></a></code></dl></header><section><p>A task to be executed by a <code class="type"><a href="class_webdriver_promise_ControlFlow.html">webdriver.promise.ControlFlow</a></code>.<h2>Constructor</h2><div class="ctor wrap-details private"><div><div class="ctor"><span class="member">webdriver.promise.Task_ <span class="args">( flow, fn, description, snapshot )</span></span></div><div class="info"><table><tbody><tr><th>Parameters<tr><td><dl><dt>flow: <code class="type">!<a href="class_webdriver_promise_ControlFlow.html">webdriver.promise.ControlFlow</a></code><dd>The flow this instances belongs
to.<dt>fn: <code class="type">!<a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function">Function</a></code><dd>The function to call when the task executes. If it
returns a <code >webdriver.promise.Promise</code>, the flow will wait
for it to be resolved before starting the next task.<dt>description: <code class="type"><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String">string</a></code><dd>A description of the task for debugging.<dt>snapshot: <code class="type">!<a href="class_webdriver_stacktrace_Snapshot.html">webdriver.stacktrace.Snapshot</a></code><dd>A snapshot of the stack
when this task was scheduled.</dl></table></div></div></div></section><div id="visibility-controls"><b>Show:</b><label for="show-public"><span><input type="checkbox" id="show-public" checked/></span>Public</label><label for="show-protected"><span><input type="checkbox" id="show-protected"/></span>Protected</label><label for="show-private"><span><input type="checkbox" id="show-private"/></span>Private</label></div><section id="instance-methods"><h2>Instance Methods</h2><h3>Defined in <code class="type">webdriver.promise.Task_</code></h3><div class="wrap-details public"><div><details class="function"><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l2038">code »</a><span class="member"><a name="execute">execute</a> <span class="args">( )</span></span></div><p>Executes this task.</summary></details></div></div><div class="wrap-details public"><div><details class="function"><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l2050">code »</a><span class="member"><a name="getDescription">getDescription</a> <span class="args">( )</span> ⇒ <code class="type"><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String">string</a></code></span></div></summary><div class="info"><table><tbody><tr><th>Returns<tr><td><dl>This task's description.</dl></table></div></details></div></div><div class="wrap-details public"><div><details class="function"><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l2056">code »</a><span class="member"><a name="toString">toString</a> <span class="args">( )</span> ⇒ <code class="type">string</code></span></div></summary></details></div></div><h3>Defined in <code class="type"><a href="class_webdriver_promise_Node_.html">webdriver.promise.Node_</a></code></h3><div class="wrap-details public"><div><details class="function"><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l1777">code »</a><span class="member"><a name="getParent">getParent</a> <span class="args">( )</span> ⇒ <code class="type"><a href="class_webdriver_promise_Node_.html">webdriver.promise.Node_</a></code></span></div></summary><div class="info"><table><tbody><tr><th>Returns<tr><td><dl>This node's parent.</dl></table></div></details></div></div><div class="wrap-details public"><div><details class="function"><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l1793">code »</a><span class="member"><a name="getRoot">getRoot</a> <span class="args">( )</span> ⇒ <code class="type">!<a href="class_webdriver_promise_Node_.html">webdriver.promise.Node_</a></code></span></div></summary><div class="info"><table><tbody><tr><th>Returns<tr><td><dl>The root of this node's tree.</dl></table></div></details></div></div><div class="wrap-details public"><div><details class="function"><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l1785">code »</a><span class="member"><a name="setParent">setParent</a> <span class="args">( parent )</span></span></div></summary><div class="info"><table><tbody><tr><th>Parameters<tr><td><dl><dt>parent: <code class="type"><a href="class_webdriver_promise_Node_.html">webdriver.promise.Node_</a></code><dd>This node's new parent.</dl></table></div></details></div></div><h3>Defined in <code class="type"><a href="class_webdriver_promise_Deferred.html">webdriver.promise.Deferred</a></code></h3><div class="wrap-details public"><div><details class="function"><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l547">code »</a><span class="member"><a name="errback">errback</a> <span class="args">( opt_error )</span></span></div><p>Rejects this promise. If the error is itself a promise, this instance will
be chained to it and be rejected with the error's resolved value.</summary><div class="info"><table><tbody><tr><th>Parameters<tr><td><dl><dt>opt_error: <code class="type">*=</code><dd>The rejection reason, typically either a
<code >Error</code> or a <code >string</code>.</dl></table></div></details></div></div><div class="wrap-details public"><div><details class="function"><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l546">code »</a><span class="member"><a name="fulfill">fulfill</a> <span class="args">( opt_value )</span></span></div><p>Resolves this promise with the given value. If the value is itself a
promise and not a reference to this deferred, this instance will wait for
it before resolving.</summary><div class="info"><table><tbody><tr><th>Parameters<tr><td><dl><dt>opt_value: <code class="type">T=</code><dd>The fulfilled value.</dl></table></div></details></div></div><div class="wrap-details public"><div><details class="function"><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l547">code »</a><span class="member"><a name="reject">reject</a> <span class="args">( opt_error )</span></span></div><p>Rejects this promise. If the error is itself a promise, this instance will
be chained to it and be rejected with the error's resolved value.</summary><div class="info"><table><tbody><tr><th>Parameters<tr><td><dl><dt>opt_error: <code class="type">*=</code><dd>The rejection reason, typically either a
<code >Error</code> or a <code >string</code>.</dl></table></div></details></div></div><div class="wrap-details public"><div><details class="function"><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l552">code »</a><span class="member"><a name="removeAll">removeAll</a> <span class="args">( )</span></span></div><p>Removes all of the listeners previously registered on this deferred.</summary><div class="info"><table><tbody><tr><th>Throws<tr><td><dl><dt><code class="type"><a href="http://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Global_Objects/Error">Error</a></code><dd>If this deferred has already been resolved.</dl></table></div></details></div></div><h3>Defined in <code class="type"><a href="class_webdriver_promise_Promise.html#webdriver.promise.Promise.<(T|null)>">webdriver.promise.Promise.<(T|null)></a></code></h3><div class="wrap-details public"><div><details class="function"><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l246">code »</a><span class="member"><a name="cancel">cancel</a> <span class="args">( reason )</span></span></div></summary><div class="info"><table><tbody><tr><th>Parameters<tr><td><dl><dt>reason</dl></table></div></details></div></div><div class="wrap-details public"><div><details class="function"><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l252">code »</a><span class="member"><a name="isPending">isPending</a> <span class="args">( )</span> ⇒ <code class="type">boolean</code></span></div></summary></details></div></div><div class="wrap-details public"><div><details class="function"><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l258">code »</a><span class="member"><a name="then">then</a> <span class="args">( opt_callback, opt_errback )</span></span></div></summary><div class="info"><table><tbody><tr><th>Parameters<tr><td><dl><dt>opt_callback<dt>opt_errback</dl></table></div></details></div></div><div class="wrap-details public"><div><details class="function"><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l265">code »</a><span class="member"><a name="thenCatch">thenCatch</a> <span class="args">( errback )</span></span></div></summary><div class="info"><table><tbody><tr><th>Parameters<tr><td><dl><dt>errback</dl></table></div></details></div></div><div class="wrap-details public"><div><details class="function"><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l271">code »</a><span class="member"><a name="thenFinally">thenFinally</a> <span class="args">( callback )</span></span></div></summary><div class="info"><table><tbody><tr><th>Parameters<tr><td><dl><dt>callback</dl></table></div></details></div></div></section><section id="instance-properties"><h2>Instance Properties</h2><h3>Defined in <code class="type">webdriver.promise.Task_</code></h3><div class="wrap-details private"><div><details><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l2041">code »</a><span class="member"><a name="description_">description_</a> : <code class="type"><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String">string</a></code></span></div></summary></details></div></div><div class="wrap-details private"><div><details><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l2044">code »</a><span class="member"><a name="snapshot_">snapshot_</a> : <code class="type">!<a href="class_webdriver_stacktrace_Snapshot.html">webdriver.stacktrace.Snapshot</a></code></span></div></summary></details></div></div><h3>Defined in <code class="type"><a href="class_webdriver_promise_Node_.html">webdriver.promise.Node_</a></code></h3><div class="wrap-details private"><div><details><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l1773">code »</a><span class="member"><a name="parent_">parent_</a> : <code class="type"><a href="class_webdriver_promise_Node_.html">webdriver.promise.Node_</a></code></span></div><p>This node's parent.</summary></details></div></div><h3>Defined in <code class="type"><a href="class_webdriver_promise_Deferred.html">webdriver.promise.Deferred</a></code></h3><div class="wrap-details public"><div><details><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l542">code »</a><span class="member"><a name="webdriver.promise.Deferred.prototype.promise">webdriver.promise.Deferred.prototype.promise</a> : <code class="type">webdriver.promise.Promise.<T></code></span></div><p>Represents the eventual value of a completed operation. Each promise may be
in one of three states: pending, resolved, or rejected. Each promise starts
in the pending state and may make a single transition to either a
fulfilled or rejected state, at which point the promise is considered
resolved.</summary></details></div></div></section><section id="static-properties"><h2>Static Properties</h2><div class="wrap-details public"><div><details><summary><div><a class="source" href="source/lib/webdriver/promise.js.src.html#l2031">code »</a><span class="member"><a name="webdriver.promise.Task_.superClass_">webdriver.promise.Task_.superClass_</a> : <code class="type"><a href="class_webdriver_promise_Node_.html">webdriver.promise.Node_.prototype</a></code></span></div></summary></details></div></div></section></main><nav id="topnav"><div><div id="menubutton"><label for="sidenav-toggle">Menu</label></div><form id="searchbox"><div><input type="search" placeholder="Search" tabindex="1"></div></form></div></nav><nav id="sidenav"><input type="checkbox" id="sidenav-types-ctrl" /><input type="checkbox" id="sidenav-files-ctrl" /><input type="checkbox" id="sidenav-modules-ctrl" /><a id="sidenav-overview"><div><h4>Overview</h4></div></a><div id="sidenav-types"><label for="sidenav-types-ctrl"><h4>Types</h4></label><i>Loading</i></div><div id="sidenav-modules"><label for="sidenav-modules-ctrl"><h4>Modules</h4></label><i>Loading</i></div><div id="sidenav-files"><label for="sidenav-files-ctrl"><h4>Files</h4></label><i>Loading</i></div><a href="license.html"><div><h4>License</h4></div></a></nav><div id="push-footer"></div></div><footer><a href="https://github.com/jleyba/js-dossier">Generated by dossier</a></footer><script src="types.js"></script><script src="dossier.js"></script>