97 lines
2.4 KiB
HTML
97 lines
2.4 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<title>MathJax Dynamic Steps Test Page</title>
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<!-- Copyright (c) 2011-2013 The MathJax Consortium -->
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<script type="text/x-mathjax-config">
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//
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// Make displayed equations be aligned left and indented
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//
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MathJax.Hub.Config({
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displayAlign: "left",
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displayIndent: "2em"
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});
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//
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// Enable the step button after the equation is typeset
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//
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MathJax.Hub.Queue(function () {
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document.getElementById("step").disabled = false;
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});
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</script>
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<script type="text/javascript" src="../MathJax.js?config=TeX-AMS_HTML-full"></script>
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<script type="text/javascript">
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//
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// Use a closure to hide the local variable
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//
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(function () {
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var n = 1;
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//
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// Make the current step be visible, and increment the step.
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// If it is the last step, disable the step button.
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// Once a step is taken, the reset button is made available.
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//
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window.ShowStep = function () {
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document.getElementById("Step"+n).style.visibility = "visible"; n++;
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if (!document.getElementById("Step"+n)) {document.getElementById("step").disabled = true}
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document.getElementById("reset").disabled = false;
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}
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//
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// Enable the step button and disable the reset button.
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// Hide the steps.
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//
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window.ResetSteps = function () {
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document.getElementById("step").disabled = false;
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document.getElementById("reset").disabled = true;
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var i = 1, step; n = 1;
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while (step = document.getElementById("Step"+i)) {step.style.visibility = "hidden"; i++}
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}
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})();
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</script>
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<style>
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/*
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* Start with the steps being hidden
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*/
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#Step1, #Step2, #Step3, #Step4, #Step5 {
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visibility: hidden;
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}
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h1 {
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background: #CCCCCC;
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padding: .2em 1em;
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border-top: 3px solid #666666;
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border-bottom: 3px solid #999999;
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}
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</style>
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</head>
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<body>
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<h1>Dynamic Equations in MathJax</h1>
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<blockquote>
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<p>
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Expand the following:
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\begin{align}
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(x+1)^2
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&\cssId{Step1}{= (x+1)(x+1)}\\
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&\cssId{Step2}{= x(x+1) + 1(x+1)}\\
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&\cssId{Step3}{= (x^2+x) + (x+1)}\\
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&\cssId{Step4}{= x^2 + (x + x) + 1}\\
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&\cssId{Step5}{= x^2+2x+1}\\
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\end{align}
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</p>
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<input type="button" onclick="ShowStep()" value="Show Next Step" id="step" disabled="true" />
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<input type="button" onclick="ResetSteps()" value="Reset" id="reset" disabled="true" />
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</blockquote>
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</body>
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</html>
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