var content = document.getElementById("content");
var contents = content.innerHTML;
var text = document.getElementById("text");
var button = document.getElementById("button");
button.onclick = function() {
var value = text.value;
var values = contents.split(value);
content.innerHTML = values.join('BACkground:red;">' + value + '');
};
var content = document.getElementById("content");
var contents = content.innerHTML;
var text = document.getElementById("text");
text.onkeyup= function() {
var value = text.value;
var values = contents.split(value);
content.innerHTML = values.join('');
};
