Sometimes we need to bind the value of a field and we need to change the data on the Vue instance in real time. If we use the standard bind we used in a tutorial of this series before, it would not work. In order to do that, we must use the v-model directive:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Test</title>
</head>
<body>
<div id="demo">
{{ realTimeString }}
<br>
<input type="text" name="string" v-model="realTimeString">
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.js"></script>
<script type="text/javascript">
new Vue({
el: '#demo',
data: {
realTimeString : ""
}
});
</script>
</body>
</html>
We'll see how the string over the field will change according to what we type in that field.
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