javascript - Check if TextArea/TextBox contains a certain String

Question

Given textarea is a textarea element with id 'textareabox', how can I check if it contains a string within it?

var textarea = document.getElementById('textareabox');

var word = something;

if (!textarea.contains(word))
{
textarea.value += word;
}

Answer 1

You can use .value, as:

var textarea = document.getElementById('textareabox');

var word = 'something';

var textValue=textarea.value;  //-> don't use .innerHTML since there is no HTML in a textarea element

if (textValue.indexOf(word)!=-1)
{
  alert('found')
}