Detect when element is clicked and grab ID if present

Is there a way to listen if an element of a page is clicked and then grab the ID of that element if it exists? No JQuery please, ONLY Javascript.
894359Asked:
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MrunalCommented:
hi,
Here is your solution.
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MrunalCommented:
HTML code:

<div id="Div1">
    DIV 1 CONTENT</div>
<span>
    DIV 2 CONTENT no id</span>
<div id="Div3">
    DIV 3 CONTENT</div>

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JavaScript Code:

document.addEventListener('click', function(e) {
    e = e || window.event;
    var target = e.target || e.srcElement;
    if(target.id != "")
    {
        alert(target.id);
    }
    //var text = target.textContent || text.innerText;    
}, false);

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CSS code:

div, span{
    padding: 10px;
    background-color: #CCC;
    margin: 5px;
    border: solid 2px #888;
    display: block;
}

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Hiran DesaiSolution ArchitectCommented:
Is this what you want?
It's on fiddel

Let me know if it's not what you were looking for!
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MrunalCommented:
Hi ItWorked,
Thanks for sharing your way of solution.
If we search all elements from document and then loop them and fire onclick of each of the element, it will not good for performance.
Also it will loop through all for matching particular element.
And,
if we add EventListener to document, it will be having better performance.

Also if we need to get the parent element's id then we can refer below solution:

Next Solution
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Hiran DesaiSolution ArchitectCommented:
@Mrunal,
Yes you are right! And thanks for sharing your view.
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