revision:
The onratechange attribute defines a script to be run when the playing speed of the audio/video is changed (like when a user switches to a slow motion or fast forward mode).
Supported HTML tags: <audio> and <video>.
<element onratechange="script"></element>
script: this attribute contains a "single value script", which works when the onratechange event attribute is called.
Change the speed of the audio
codes:
<audio style="margin-left:3vw;" id="myAudio" controls onratechange="audioSpeed()">
<source src="horse.wav" type="audio/wav">
Your browser does not support the audio element.
</audio>
<p class="spec" id="demo">Change the speed of the audio</p>
<input style="margin-left:3vw;" type="range" min="0.5" max="3" step="0.1"
value="1" oninput="changeRate(this)">
<script>
function audioSpeed() {
document.getElementById("demo").innerHTML = "The audio's speed is " +
document.getElementById("myAudio").playbackRate;
}
function changeRate(obj) {
document.getElementById("myAudio").playbackRate = obj.value;
}
</script>
Change the speed of the video
codes:
<video style="margin-left:3vw;" id="myVideo" width="320" height="176" controls
onratechange="videoSpeed()">
<source src="../pics/Wuzhen-20-10_02.mp4" type="video/mp4">
Your browser does not support HTML5 video.
</video>
<p class="spec" id="demo_A">Change the speed of the video</p>
<input style="margin-left:3vw;" type="range" min="0.1" max="3" step="0.1" value="1"
oninput="rateChange(this)">
<script>
function videoSpeed() {
document.getElementById("demo_A").innerHTML = "The video's speed is " +
document.getElementById("myVideo").playbackRate;
}
function rateChange(obj) {
document.getElementById("myVideo").playbackRate = obj.value;
}
</script>
The onreset event occurs when a form is reset.
Supported HTML tags: <form>
<element onreset="script"></element>
script: this attribute contains a "single value script", which works when the onreset event attribute is called.
When you reset the form, a function is triggered which alerts some text.
codes:
<p class="spec">When you reset the form, a function is triggered
which alerts some text.</p>
<form style="margin-left:3vw;" onreset="resetFunction()">
<p class="spec">Enter name: <input type="text"></p>
<input type="reset">
</form>
<script>
function resetFunction() {
alert("The form was reset");
}
</script>
When you reset the form, a function is triggered which outputs some text.
codes:
<p class="spec">When you reset the form, a function is triggered
which outputs some text.</p>
<form style="margin-left:3vw;" onreset="formReset()">
<p class="spec">enter name: <input type="text"></p>
<input type="reset">
</form>
<p class="spec" id="demo"></p>
<script>
function formReset() {
document.getElementById("demo").innerHTML = "The form was reset";
}
</script>
The onresize event occurs when the browser window has been resized.
Supported HTML tags: <body>
To get the size of an element, use the "clientWidth", "clientHeight", "innerWidth", "innerHeight", "outerWidth", "outerHeight", "offsetWidth" and/or "offsetHeight" properties.
<element onresize="script"></element>
script: this attribute contains a "single value script", which works when the onreset event attribute is called.
Try to resize the browser window to display the windows height and width.
codes:
<body onresize="sizeFunction()">
<p class="spec">Try to resize the browser window to display the windows height and width.</p>
<p class="spec" id="demo_AA"></p>
<script>
function sizeFunct() {
var w = window.outerWidth;
var h = window.outerHeight;
var txt_A = "Window size: width=" + w + ", height=" + h;
document.getElementById("demo_AA").innerHTML = txt_A;
}
</script>
This example uses the addEventListener() method to attach a "resize" event on the window object.
Try to resize the browser window.
Window resized 0 times.
codes:
<p class="spec">This example uses the addEventListener() method
to attach a "resize" event
on the window object.</p>
<p class="spec">Try to resize the browser window.</p>
<p class="spec">Window resized <span id="demo+AA">0</span>
times.</p>
<script>
window.addEventListener("resize", windowResize);
var x = 0;
function windowResize() {
var txt_B = x += 1;
document.getElementById("demo+A").innerHTML = txt_B;
}
</script>