Vue.js
app.html <html> <head> <title>Gif TEST</title> </head> <body> <h1>Gif TEST</h1> <div id="app"> <div v-if="isLoading"> <label>Loading Now!!</label> <img src="loading.gif"> </div> Check this out!!<input type="checkbox" v-model="isLoading"> </div> </body></html>