javascript - -webkit-user-select:none and -ms-user-select:none copying the content -

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i trying disable selection of <td>s of table having specific class. in css file class added

-webkit-user-select: none;   -ms-user-select: none;

but neither of them seems work. visually appears <td>s not getting selected. if copy , paste data, content cells getting copied. browser version - ie 11 , chrome 43.0.2357.132 m

adding -moz-user-select: none; works perfect firefox. idea why not working rest 2 browsers?

to make sure line numbers aren't being copied, can use standard <ol> tag:

<ol>     <li>can't select line number</li> </ol>

to style it, create a counter along ::before make not selectable. can use element (not <ol>) method.

demo additional styling: http://jsfiddle.net/derekl/ae2fggl5/

enter image description here
(chrome) line numbers appear selected, can't copy them or select them individually.

enter image description here
(firefox) line numbers can't selected in firefox.


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