One potential solution involves using CSS, although it is considered a non-standard feature:
::selection {
background: transparent;
}
::-moz-selection {
background: transparent;
}
Is there a method to achieve the same effect using JavaScript? Additional information on ::selection can be accessed through caniuse.
Absolutely! You have the ability to monitor the onselectstart event and prevent its execution if needed. Check out this sample scenario.
Give this a try
function preventSelection(element){
if (typeof element.onselectstart!="undefined") // Catch for IE
element.onselectstart=function(){return false;};
else if (typeof element.style.MozUserSelect!="undefined") // For Firefox
element.style.MozUserSelect="none";
else // For Opera and other browsers
element.onmousedown=function(){return false;};
element.style.cursor = "default";
}
How to use :
preventSelection(document.body);
Test it out on jsBin
While I understand your preference for a JavaScript solution, the following CSS style can be used to achieve similar results across all major browsers:
.nohighlight{
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
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