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#4214

JavaScript

(Jquery) Making textfield only accept numeric values

$(document).ready(function() {
	$("#txtboxToFilter").keydown(function(event) {
		// Allow only backspace and delete
		if ( event.keyCode == 46 || event.keyCode == 8 ) {
			// let it happen, don't do anything
		}
		else {
			// Ensure that it is a number and stop the keypress
			if (event.keyCode < 48 || event.keyCode > 57 ) {
				event.preventDefault();	
			}	
		}
	});
});
https://snipt.net/embed/7386182338f0550b72260ab990a051f9/
https://snipt.net/raw/7386182338f0550b72260ab990a051f9/
7386182338f0550b72260ab990a051f9
js
JavaScript
14
2015-03-28T06:59:12
True
False
/api/public/snipt/4214/
jquery-making-textfield-only-accept-numeric-values
<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><a href="#L-1"> 1</a> <a href="#L-2"> 2</a> <a href="#L-3"> 3</a> <a href="#L-4"> 4</a> <a href="#L-5"> 5</a> <a href="#L-6"> 6</a> <a href="#L-7"> 7</a> <a href="#L-8"> 8</a> <a href="#L-9"> 9</a> <a href="#L-10">10</a> <a href="#L-11">11</a> <a href="#L-12">12</a> <a href="#L-13">13</a> <a href="#L-14">14</a></pre></div></td><td class="code"><div class="highlight"><pre><span id="L-1"><a name="L-1"></a><span class="nx">$</span><span class="p">(</span><span class="nb">document</span><span class="p">).</span><span class="nx">ready</span><span class="p">(</span><span class="kd">function</span><span class="p">()</span> <span class="p">{</span> </span><span id="L-2"><a name="L-2"></a> <span class="nx">$</span><span class="p">(</span><span class="s2">&quot;#txtboxToFilter&quot;</span><span class="p">).</span><span class="nx">keydown</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">event</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-3"><a name="L-3"></a> <span class="c1">// Allow only backspace and delete</span> </span><span id="L-4"><a name="L-4"></a> <span class="k">if</span> <span class="p">(</span> <span class="nx">event</span><span class="p">.</span><span class="nx">keyCode</span> <span class="o">==</span> <span class="mi">46</span> <span class="o">||</span> <span class="nx">event</span><span class="p">.</span><span class="nx">keyCode</span> <span class="o">==</span> <span class="mi">8</span> <span class="p">)</span> <span class="p">{</span> </span><span id="L-5"><a name="L-5"></a> <span class="c1">// let it happen, don&#39;t do anything</span> </span><span id="L-6"><a name="L-6"></a> <span class="p">}</span> </span><span id="L-7"><a name="L-7"></a> <span class="k">else</span> <span class="p">{</span> </span><span id="L-8"><a name="L-8"></a> <span class="c1">// Ensure that it is a number and stop the keypress</span> </span><span id="L-9"><a name="L-9"></a> <span class="k">if</span> <span class="p">(</span><span class="nx">event</span><span class="p">.</span><span class="nx">keyCode</span> <span class="o">&lt;</span> <span class="mi">48</span> <span class="o">||</span> <span class="nx">event</span><span class="p">.</span><span class="nx">keyCode</span> <span class="o">&gt;</span> <span class="mi">57</span> <span class="p">)</span> <span class="p">{</span> </span><span id="L-10"><a name="L-10"></a> <span class="nx">event</span><span class="p">.</span><span class="nx">preventDefault</span><span class="p">();</span> </span><span id="L-11"><a name="L-11"></a> <span class="p">}</span> </span><span id="L-12"><a name="L-12"></a> <span class="p">}</span> </span><span id="L-13"><a name="L-13"></a> <span class="p">});</span> </span><span id="L-14"><a name="L-14"></a><span class="p">});</span> </span></pre></div> </td></tr></table>
jquery, numeric, textfield
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