Is there a way to search for a specific string within a large text box that contains 200 words? I would like to create a function that can color the string. For example, if the sentence "my dog is happy" is in the textbox and I want the word "dog" to be displayed in red when a button is pressed or through another method. Is this achievable?
A feasible option is available. Avoid utilizing a text box or text area, instead opt for a div that includes contenteditable = "true":
<div id="editableDiv" class="editable" contenteditable="true">
This particular sentence features the word 'dog'.<br />
Modifying the contents of this div is achievable.
</div>
<button id="highlightBtn">Highlight "dog"</button>
<script type="text/javascript">
highlightBtn.onclick = function() {
var elem = document.getElementById('editableDiv');
elem.innerHTML = elem.innerHTML.replace(/dog/g,
'<span class="redText">dog</span>');
}
</script>
Ensure to include the classes redText and editable in your stylesheet:
.editable {
padding: 5px;
border: dashed 1px black;
}
.redText {
color: red;
}
JSFiddle: http://jsfiddle.net/ProgramFOX/UMMPh/
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