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<title>Example: Advanced Cookie Example</title>
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<h1>Example: Advanced Cookie Example</h1>
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<p>This example shows how to get, set, and remove cookies using the YUI Cookie utility.</p>
</div>
<div class="example yui3-skin-sam">
<p>Click the buttons to interact with the cookie:</p>
<p>
<input type="button" value="Get Value" id="yui-cookie-btn1">
<input type="button" value="Set Random Value" id="yui-cookie-btn2">
<input type="button" value="Remove Value" id="yui-cookie-btn3">
</p>
<pre id="results"></pre>
<script>
YUI().use('cookie', 'node', function (Y) {
var pre = Y.one('#results'),
log = function(str) {
pre.append(str + '\n<br>');
}
Y.one("#yui-cookie-btn1").on("click", function () {
var value = Y.Cookie.get("example");
log("Cookie 'example' has a value of '" + value + "'");
});
Y.one("#yui-cookie-btn2").on("click", function () {
var newValue = "yui" + Math.round(Math.random() * Math.PI * 1000);
Y.Cookie.set("example", newValue);
log("Set cookie 'example' to '" + newValue + "'");
});
Y.one("#yui-cookie-btn3").on("click", function () {
Y.Cookie.remove("example");
log("Removed cookie 'example'.");
});
});
</script>
</div>
<h2>Description</h2>
<p>This example consists of three buttons, each of which performs one of the basic cookie functions: getting a value, setting a value, and removing a value. The first button, "Get Value", retrieves the value of a cookie and logs it:</p>
<pre class="code prettyprint">Y.one("#yui-cookie-btn1").on("click", function () {
var value = Y.Cookie.get("example");
Y.log("Cookie 'example' has a value of '" + value + "'");
});</pre>
<p>The second button, "Set Random Value", creates a random value and sets the cookie's value equal to it:</p>
<pre class="code prettyprint">Y.one("#yui-cookie-btn2").on("click", function () {
var newValue = "yui" + Math.round(Math.random() * Math.PI * 1000);
Y.Cookie.set("example", newValue);
Y.log("Set cookie 'example' to '" + newValue + "'");
});</pre>
<p>After clicking this button, you can go back and click "Get Value" to see the new value that was assigned
to the cookie (you can also check the logger output).</p>
<p>The third button, "Remove Value", completely removes the cookie from the page:</p>
<pre class="code prettyprint">Y.one("#yui-cookie-btn3").on("click", function () {
Y.Cookie.remove("example");
Y.log("Removed cookie 'example'.");
});</pre>
<p>When this button is clicked, it removes the cookie. If "Get Value" is clicked immediately afterwards, the value should be <code>null</code>.</p>
<h2>Complete Example Source</h2>
<pre class="code prettyprint"><p>Click the buttons to interact with the cookie:</p>
<p>
<input type="button" value="Get Value" id="yui-cookie-btn1">
<input type="button" value="Set Random Value" id="yui-cookie-btn2">
<input type="button" value="Remove Value" id="yui-cookie-btn3">
</p>
<pre id="results"></pre>
<script>
YUI().use('cookie', 'node', function (Y) {
var pre = Y.one('#results'),
log = function(str) {
pre.append(str + '\n<br>');
}
Y.one("#yui-cookie-btn1").on("click", function () {
var value = Y.Cookie.get("example");
log("Cookie 'example' has a value of '" + value + "'");
});
Y.one("#yui-cookie-btn2").on("click", function () {
var newValue = "yui" + Math.round(Math.random() * Math.PI * 1000);
Y.Cookie.set("example", newValue);
log("Set cookie 'example' to '" + newValue + "'");
});
Y.one("#yui-cookie-btn3").on("click", function () {
Y.Cookie.remove("example");
log("Removed cookie 'example'.");
});
});
</script></pre>
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<h2 class="no-toc">Examples</h2>
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<div class="bd">
<ul class="examples">
<li data-description="Demonstrates basic usage of the Cookie utility for reading and writing cookies.">
<a href="cookie-simple-example.html">Simple Cookie Example</a>
</li>
<li data-description="Demonstrates using the Cookie utility to get, set and remove cookies.">
<a href="cookie-advanced-example.html">Advanced Cookie Example</a>
</li>
<li data-description="Demonstrates using the Cookie utility to get and set subcookies.">
<a href="cookie-subcookie-example.html">Subcookie Example</a>
</li>
</ul>
</div>
</div>
</div>
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<script>
YUI.Env.Tests = {
examples: [],
project: '../assets',
assets: '../assets/cookie',
name: 'cookie-advanced-example',
title: 'Advanced Cookie Example',
newWindow: '',
auto: false
};
YUI.Env.Tests.examples.push('cookie-simple-example');
YUI.Env.Tests.examples.push('cookie-advanced-example');
YUI.Env.Tests.examples.push('cookie-subcookie-example');
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