mirror of https://gitee.com/openkylin/mathjax.git
98 lines
2.4 KiB
HTML
98 lines
2.4 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<title>MathJax Dynamic Steps Test Page</title>
|
|
<!-- Copyright (c) 2011-2018 The MathJax Consortium -->
|
|
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
|
|
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
|
|
<meta name="viewport" content="width=device-width, initial-scale=1">
|
|
|
|
<script type="text/x-mathjax-config">
|
|
//
|
|
// Make displayed equations be aligned left and indented
|
|
//
|
|
MathJax.Hub.Config({
|
|
displayAlign: "left",
|
|
displayIndent: "2em"
|
|
});
|
|
//
|
|
// Enable the step button after the equation is typeset
|
|
//
|
|
MathJax.Hub.Queue(function () {
|
|
document.getElementById("step").disabled = false;
|
|
});
|
|
</script>
|
|
<script type="text/javascript" src="../MathJax.js?config=TeX-AMS_HTML-full"></script>
|
|
|
|
<script type="text/javascript">
|
|
//
|
|
// Use a closure to hide the local variable
|
|
//
|
|
(function () {
|
|
var n = 1;
|
|
|
|
//
|
|
// Make the current step be visible, and increment the step.
|
|
// If it is the last step, disable the step button.
|
|
// Once a step is taken, the reset button is made available.
|
|
//
|
|
window.ShowStep = function () {
|
|
document.getElementById("Step"+n).style.visibility = "visible"; n++;
|
|
if (!document.getElementById("Step"+n)) {document.getElementById("step").disabled = true}
|
|
document.getElementById("reset").disabled = false;
|
|
}
|
|
|
|
//
|
|
// Enable the step button and disable the reset button.
|
|
// Hide the steps.
|
|
//
|
|
window.ResetSteps = function () {
|
|
document.getElementById("step").disabled = false;
|
|
document.getElementById("reset").disabled = true;
|
|
var i = 1, step; n = 1;
|
|
while (step = document.getElementById("Step"+i)) {step.style.visibility = "hidden"; i++}
|
|
}
|
|
})();
|
|
</script>
|
|
|
|
<style>
|
|
/*
|
|
* Start with the steps being hidden
|
|
*/
|
|
#Step1, #Step2, #Step3, #Step4, #Step5 {
|
|
visibility: hidden;
|
|
}
|
|
|
|
h1 {
|
|
background: #CCCCCC;
|
|
padding: .2em 1em;
|
|
border-top: 3px solid #666666;
|
|
border-bottom: 3px solid #999999;
|
|
}
|
|
</style>
|
|
|
|
</head>
|
|
<body>
|
|
|
|
<h1>Dynamic Equations in MathJax</h1>
|
|
|
|
<blockquote>
|
|
<p>
|
|
Expand the following:
|
|
\begin{align}
|
|
(x+1)^2
|
|
&\cssId{Step1}{= (x+1)(x+1)}\\
|
|
&\cssId{Step2}{= x(x+1) + 1(x+1)}\\
|
|
&\cssId{Step3}{= (x^2+x) + (x+1)}\\
|
|
&\cssId{Step4}{= x^2 + (x + x) + 1}\\
|
|
&\cssId{Step5}{= x^2+2x+1}\\
|
|
\end{align}
|
|
</p>
|
|
|
|
<input type="button" onclick="ShowStep()" value="Show Next Step" id="step" disabled="true" />
|
|
<input type="button" onclick="ResetSteps()" value="Reset" id="reset" disabled="true" />
|
|
</blockquote>
|
|
|
|
</body>
|
|
</html>
|