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JavaScript

Inspect Javascript object

/*  inspect a javascript object
    http://codeinthehole.com/writing/inspecting-javascript-objects/ 

Usage:  Inspect.properties(variable); 
        Inspect.methods(variable); 
*/
var Inspect = {
    TYPE_FUNCTION: 'function',
    // Returns an array of (the names of) all methods
    methods: function(obj) {
        var testObj = obj || self;
        var methods = [];
        for (prop in testObj) {
            if (typeof testObj[prop] == Inspect.TYPE_FUNCTION && typeof Inspect[prop] != Inspect.TYPE_FUNCTION) {
                methods.push(prop);
            }
        }
        return methods;
    },
    // Returns an array of (the names of) all properties
    properties: function(obj) {
        var testObj = obj || self;
        var properties = [];
        for (prop in testObj) {
            if (typeof testObj[prop] != Inspect.TYPE_FUNCTION && typeof Inspect[prop] != Inspect.TYPE_FUNCTION) {
                properties.push(prop);
            }
        }
        return properties;
    }
}
https://snipt.net/embed/96e7158803772be630598c3aead51b44/
/raw/96e7158803772be630598c3aead51b44/
96e7158803772be630598c3aead51b44
js
JavaScript
31
2019-08-17T21:06:48
True
False
False
/api/public/snipt/38464/
inspect-javascript-object
<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><a href="#L-1"> 1</a> <a href="#L-2"> 2</a> <a href="#L-3"> 3</a> <a href="#L-4"> 4</a> <a href="#L-5"> 5</a> <a href="#L-6"> 6</a> <a href="#L-7"> 7</a> <a href="#L-8"> 8</a> <a href="#L-9"> 9</a> <a href="#L-10">10</a> <a href="#L-11">11</a> <a href="#L-12">12</a> <a href="#L-13">13</a> <a href="#L-14">14</a> <a href="#L-15">15</a> <a href="#L-16">16</a> <a href="#L-17">17</a> <a href="#L-18">18</a> <a href="#L-19">19</a> <a href="#L-20">20</a> <a href="#L-21">21</a> <a href="#L-22">22</a> <a href="#L-23">23</a> <a href="#L-24">24</a> <a href="#L-25">25</a> <a href="#L-26">26</a> <a href="#L-27">27</a> <a href="#L-28">28</a> <a href="#L-29">29</a> <a href="#L-30">30</a> <a href="#L-31">31</a></pre></div></td><td class="code"><div class="highlight"><pre><span></span><span id="L-1"><a name="L-1"></a><span class="cm">/* inspect a javascript object</span> </span><span id="L-2"><a name="L-2"></a><span class="cm"> http://codeinthehole.com/writing/inspecting-javascript-objects/ </span> </span><span id="L-3"><a name="L-3"></a> </span><span id="L-4"><a name="L-4"></a><span class="cm">Usage: Inspect.properties(variable); </span> </span><span id="L-5"><a name="L-5"></a><span class="cm"> Inspect.methods(variable); </span> </span><span id="L-6"><a name="L-6"></a><span class="cm">*/</span> </span><span id="L-7"><a name="L-7"></a><span class="kd">var</span> <span class="nx">Inspect</span> <span class="o">=</span> <span class="p">{</span> </span><span id="L-8"><a name="L-8"></a> <span class="nx">TYPE_FUNCTION</span><span class="o">:</span> <span class="s1">&#39;function&#39;</span><span class="p">,</span> </span><span id="L-9"><a name="L-9"></a> <span class="c1">// Returns an array of (the names of) all methods</span> </span><span id="L-10"><a name="L-10"></a> <span class="nx">methods</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">obj</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-11"><a name="L-11"></a> <span class="kd">var</span> <span class="nx">testObj</span> <span class="o">=</span> <span class="nx">obj</span> <span class="o">||</span> <span class="nx">self</span><span class="p">;</span> </span><span id="L-12"><a name="L-12"></a> <span class="kd">var</span> <span class="nx">methods</span> <span class="o">=</span> <span class="p">[];</span> </span><span id="L-13"><a name="L-13"></a> <span class="k">for</span> <span class="p">(</span><span class="nx">prop</span> <span class="k">in</span> <span class="nx">testObj</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-14"><a name="L-14"></a> <span class="k">if</span> <span class="p">(</span><span class="k">typeof</span> <span class="nx">testObj</span><span class="p">[</span><span class="nx">prop</span><span class="p">]</span> <span class="o">==</span> <span class="nx">Inspect</span><span class="p">.</span><span class="nx">TYPE_FUNCTION</span> <span class="o">&amp;&amp;</span> <span class="k">typeof</span> <span class="nx">Inspect</span><span class="p">[</span><span class="nx">prop</span><span class="p">]</span> <span class="o">!=</span> <span class="nx">Inspect</span><span class="p">.</span><span class="nx">TYPE_FUNCTION</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-15"><a name="L-15"></a> <span class="nx">methods</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="nx">prop</span><span class="p">);</span> </span><span id="L-16"><a name="L-16"></a> <span class="p">}</span> </span><span id="L-17"><a name="L-17"></a> <span class="p">}</span> </span><span id="L-18"><a name="L-18"></a> <span class="k">return</span> <span class="nx">methods</span><span class="p">;</span> </span><span id="L-19"><a name="L-19"></a> <span class="p">},</span> </span><span id="L-20"><a name="L-20"></a> <span class="c1">// Returns an array of (the names of) all properties</span> </span><span id="L-21"><a name="L-21"></a> <span class="nx">properties</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">obj</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-22"><a name="L-22"></a> <span class="kd">var</span> <span class="nx">testObj</span> <span class="o">=</span> <span class="nx">obj</span> <span class="o">||</span> <span class="nx">self</span><span class="p">;</span> </span><span id="L-23"><a name="L-23"></a> <span class="kd">var</span> <span class="nx">properties</span> <span class="o">=</span> <span class="p">[];</span> </span><span id="L-24"><a name="L-24"></a> <span class="k">for</span> <span class="p">(</span><span class="nx">prop</span> <span class="k">in</span> <span class="nx">testObj</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-25"><a name="L-25"></a> <span class="k">if</span> <span class="p">(</span><span class="k">typeof</span> <span class="nx">testObj</span><span class="p">[</span><span class="nx">prop</span><span class="p">]</span> <span class="o">!=</span> <span class="nx">Inspect</span><span class="p">.</span><span class="nx">TYPE_FUNCTION</span> <span class="o">&amp;&amp;</span> <span class="k">typeof</span> <span class="nx">Inspect</span><span class="p">[</span><span class="nx">prop</span><span class="p">]</span> <span class="o">!=</span> <span class="nx">Inspect</span><span class="p">.</span><span class="nx">TYPE_FUNCTION</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-26"><a name="L-26"></a> <span class="nx">properties</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="nx">prop</span><span class="p">);</span> </span><span id="L-27"><a name="L-27"></a> <span class="p">}</span> </span><span id="L-28"><a name="L-28"></a> <span class="p">}</span> </span><span id="L-29"><a name="L-29"></a> <span class="k">return</span> <span class="nx">properties</span><span class="p">;</span> </span><span id="L-30"><a name="L-30"></a> <span class="p">}</span> </span><span id="L-31"><a name="L-31"></a><span class="p">}</span> </span></pre></div> </td></tr></table>
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