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JavaScript

JS: onfocus and onblur

// may want to use placeholder attrib instead:
// http://diveintohtml5.org/forms.html

// newer script
$(document).ready(function(){
	var inputs = $("input[type=text]");
	inputs.each(function(){
		if ($(this).attr('placeholder'))
			$(this).val($(this).attr('placeholder'));
	});
    $("input[type=text]").on('focus', function() {
        if ($(this).val() == $(this).attr('placeholder'))
            $(this).val('');
    });
    $("input[type=text]").on('blur', function() {
        if ($(this).val() == '')
            $(this).val($(this).attr("placeholder"));
    });
});

// original script
$(document).ready(function(){
    $("#email").on('focus', function() {
        if ($(this).val() == $(this).attr('placeholder'))
            $(this).val('');
    });
    $("#email").on('blur', function() {
        if ($(this).val() == '')
            $(this).val($(this).attr("placeholder"));
    });
});
https://snipt.net/embed/f7cdd57adf5db5f1ea0dfcc4c77ac2ba/
/raw/f7cdd57adf5db5f1ea0dfcc4c77ac2ba/
f7cdd57adf5db5f1ea0dfcc4c77ac2ba
js
JavaScript
31
2019-08-21T21:25:46
True
False
False
/api/public/snipt/18113/
js-onfocus-and-onblur
<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="c1">// may want to use placeholder attrib instead:</span> </span><span id="L-2"><a name="L-2"></a><span class="c1">// http://diveintohtml5.org/forms.html</span> </span><span id="L-3"><a name="L-3"></a> </span><span id="L-4"><a name="L-4"></a><span class="c1">// newer script</span> </span><span id="L-5"><a name="L-5"></a><span class="nx">$</span><span class="p">(</span><span class="nb">document</span><span class="p">).</span><span class="nx">ready</span><span class="p">(</span><span class="kd">function</span><span class="p">(){</span> </span><span id="L-6"><a name="L-6"></a> <span class="kd">var</span> <span class="nx">inputs</span> <span class="o">=</span> <span class="nx">$</span><span class="p">(</span><span class="s2">&quot;input[type=text]&quot;</span><span class="p">);</span> </span><span id="L-7"><a name="L-7"></a> <span class="nx">inputs</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="kd">function</span><span class="p">(){</span> </span><span id="L-8"><a name="L-8"></a> <span class="k">if</span> <span class="p">(</span><span class="nx">$</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">attr</span><span class="p">(</span><span class="s1">&#39;placeholder&#39;</span><span class="p">))</span> </span><span id="L-9"><a name="L-9"></a> <span class="nx">$</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">val</span><span class="p">(</span><span class="nx">$</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">attr</span><span class="p">(</span><span class="s1">&#39;placeholder&#39;</span><span class="p">));</span> </span><span id="L-10"><a name="L-10"></a> <span class="p">});</span> </span><span id="L-11"><a name="L-11"></a> <span class="nx">$</span><span class="p">(</span><span class="s2">&quot;input[type=text]&quot;</span><span class="p">).</span><span class="nx">on</span><span class="p">(</span><span class="s1">&#39;focus&#39;</span><span class="p">,</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span> </span><span id="L-12"><a name="L-12"></a> <span class="k">if</span> <span class="p">(</span><span class="nx">$</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">val</span><span class="p">()</span> <span class="o">==</span> <span class="nx">$</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">attr</span><span class="p">(</span><span class="s1">&#39;placeholder&#39;</span><span class="p">))</span> </span><span id="L-13"><a name="L-13"></a> <span class="nx">$</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">val</span><span class="p">(</span><span class="s1">&#39;&#39;</span><span class="p">);</span> </span><span id="L-14"><a name="L-14"></a> <span class="p">});</span> </span><span id="L-15"><a name="L-15"></a> <span class="nx">$</span><span class="p">(</span><span class="s2">&quot;input[type=text]&quot;</span><span class="p">).</span><span class="nx">on</span><span class="p">(</span><span class="s1">&#39;blur&#39;</span><span class="p">,</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span> </span><span id="L-16"><a name="L-16"></a> <span class="k">if</span> <span class="p">(</span><span class="nx">$</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">val</span><span class="p">()</span> <span class="o">==</span> <span class="s1">&#39;&#39;</span><span class="p">)</span> </span><span id="L-17"><a name="L-17"></a> <span class="nx">$</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">val</span><span class="p">(</span><span class="nx">$</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">attr</span><span class="p">(</span><span class="s2">&quot;placeholder&quot;</span><span class="p">));</span> </span><span id="L-18"><a name="L-18"></a> <span class="p">});</span> </span><span id="L-19"><a name="L-19"></a><span class="p">});</span> </span><span id="L-20"><a name="L-20"></a> </span><span id="L-21"><a name="L-21"></a><span class="c1">// original script</span> </span><span id="L-22"><a name="L-22"></a><span class="nx">$</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><span id="L-23"><a name="L-23"></a> <span class="nx">$</span><span class="p">(</span><span class="s2">&quot;#email&quot;</span><span class="p">).</span><span class="nx">on</span><span class="p">(</span><span class="s1">&#39;focus&#39;</span><span class="p">,</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span> </span><span id="L-24"><a name="L-24"></a> <span class="k">if</span> <span class="p">(</span><span class="nx">$</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">val</span><span class="p">()</span> <span class="o">==</span> <span class="nx">$</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">attr</span><span class="p">(</span><span class="s1">&#39;placeholder&#39;</span><span class="p">))</span> </span><span id="L-25"><a name="L-25"></a> <span class="nx">$</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">val</span><span class="p">(</span><span class="s1">&#39;&#39;</span><span class="p">);</span> </span><span id="L-26"><a name="L-26"></a> <span class="p">});</span> </span><span id="L-27"><a name="L-27"></a> <span class="nx">$</span><span class="p">(</span><span class="s2">&quot;#email&quot;</span><span class="p">).</span><span class="nx">on</span><span class="p">(</span><span class="s1">&#39;blur&#39;</span><span class="p">,</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span> </span><span id="L-28"><a name="L-28"></a> <span class="k">if</span> <span class="p">(</span><span class="nx">$</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">val</span><span class="p">()</span> <span class="o">==</span> <span class="s1">&#39;&#39;</span><span class="p">)</span> </span><span id="L-29"><a name="L-29"></a> <span class="nx">$</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">val</span><span class="p">(</span><span class="nx">$</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">attr</span><span class="p">(</span><span class="s2">&quot;placeholder&quot;</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>
blur, focus, forms, javascript, jquery, js, placeholder