pro386-main

by Joe Saad

HTML

<h1>Hello all</h1>
<textarea rows="5" cols="50" id="pPost">Hello my name is Joe and I love NBA by this I know Joe is cool.
</textarea>
<input type="button" id="bbbold" value="clcikMe" />

JavaScript

//var start, end;
var start = "<b>";
var end = "</b>";

String.prototype.insertAt = function(index, string) {
  return this.substr(0, index) + string + this.substr(index);
}

$('#bbbold').click(function() {
  var txtBox = document.getElementById("pPost")
  txtBox.value = txtBox.value.insertAt(txtBox.selectionEnd, end).insertAt(txtBox.selectionStart, start);

})