Published: 28 May 2018 › Updated: 28 May 2018
java test
What Can JavaScript Do?
JavaScript can change HTML attribute values.
In this case JavaScript changes the value of the src (source) attribute of an image.
<'button'onclick="document.getElementById('myImage').src='pic_bulbon.gif'">Turn on the light
img id="myImage" src="![pic_bulboff.gif](https://cdn.steemitimages.com/DQmUTHYT5xBY4bQXchTcmjXEtS6YR6CxsAP3uwnaYrhSLky" style="width:100px">
<'button' onclick="document.getElementById('myImage').src='pic_bulboff.gif'">Turn off the light
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