Answers for "select a word in textarea by javascript"

select all text in textarea javascript

<textarea onclick="this.focus();this.select()"></textarea>

<!-- To copy the text -->
<textarea onclick="this.focus();this.select();document.execCommand('copy')"></textarea>

hi;ight word in textarea javascript

$(function(){
  $("#search").click(function(){
    var area   = $('#test');
    var findWord = "rhoncus";
    var index = area.val().indexOf(findWord);
    area.focus().prop({'selectionStart': index, 'selectionEnd': index+findWord.length})          
  })
})