38 lines
1.5 KiB
HTML
38 lines
1.5 KiB
HTML
<h1><code ng:non-bindable="">$parse</code>
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<span class="hint">(service in module <code ng:non-bindable="">ng</code>
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)</span>
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</h1>
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<div><h2 id="Description">Description</h2>
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<div class="description"><p>Converts Angular <a href="guide/expression">expression</a> into a function.</p>
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<pre class="prettyprint linenums">
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var getter = $parse('user.name');
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var setter = getter.assign;
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var context = {user:{name:'angular'}};
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var locals = {user:{name:'local'}};
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expect(getter(context)).toEqual('angular');
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setter(context, 'newValue');
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expect(context.user.name).toEqual('newValue');
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expect(getter(context, locals)).toEqual('local');
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</pre></div>
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<h2 id="Usage">Usage</h2>
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<div class="usage"><pre class="prettyprint linenums">$parse(expression);</pre>
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<h3 id="Parameters">Parameters</h3>
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<ul class="parameters"><li><code ng:non-bindable="">expression – {string} – </code>
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<p>String expression to compile.</p></li>
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</ul>
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<h3 id="Returns">Returns</h3>
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<div class="returns"><code ng:non-bindable="">{function(context, locals)}</code>
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– <p>a function which represents the compiled expression:</p>
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<ul>
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<li><code>context</code>: an object against which any expressions embedded in the strings are evaluated
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against (Topically a scope object).</li>
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<li><p><code>locals</code>: local variables context object, useful for overriding values in <code>context</code>.</p>
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<p>The return function also has an <code>assign</code> property, if the expression is assignable, which
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allows one to set values to expressions.</p></li>
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</ul></div>
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</div>
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</div>
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