<!DOCTYPE html> <html class="reftest-wait"> <head> <title>Dynamic tests involving adding and removing elements</title> <meta charset="utf-8"/> </head> <body> <math> <mtable columnspacing="5em 7em" id="mtable0a"> <mtr id="mtr0"> <mtd> <mn>x</mn> </mtd> <mtd> <mn>y</mn> </mtd> </mtr> </mtable> </math> <p> <math> <mtable columnspacing="5em 7em"> <mtr id="mtr0a"> <mtd> <mn>x</mn> </mtd> <mtd id="mtd0"> <mn>y</mn> </mtd> <mtd> <mn>z</mn> </mtd> </mtr> </mtable> </math> <p> <math> <mtable rowspacing="2ex 4ex" id="mtable0"> <mtr> <mtd> <mn>x</mn> </mtd> </mtr> <mtr> <mtd> <mn>y</mn> </mtd> </mtr> </mtable> </math> <p> <math> <mtable rowspacing="2ex 4ex" id="mtable1"> <mtr> <mtd> <mn>x</mn> </mtd> </mtr> <mtr id="mtr1"> <mtd> <mn>y</mn> </mtd> </mtr> <mtr> <mtd> <mn>z</mn> </mtd> </mtr> </mtable> </math> <p> <math> <mtable rowspacing="2ex 4ex" columnspacing="4em"> <mtr id="mtr2"> <mtd> <mn>x</mn> </mtd> </mtr> <mtr> <mtd> <mn>y</mn> </mtd> </mtr> <mtr> <mtd> <mn>z</mn> </mtd> </mtr> </mtable> </math> <script> function doTest() { // Add a table cell var mn0 = document.createElementNS("http://www.w3.org/1998/Math/MathML", "mn"); mn0.innerHTML = 'z'; var mtd0 = document.createElementNS("http://www.w3.org/1998/Math/MathML", "mtd"); mtd0.appendChild(mn0); document.getElementById("mtr0").appendChild(mtd0); // Remove a table cell document.getElementById("mtr0a").removeChild(document.getElementById("mtd0")); // Add a table row var mn1 = document.createElementNS("http://www.w3.org/1998/Math/MathML", "mn"); mn1.innerHTML = 'z'; var mtd1 = document.createElementNS("http://www.w3.org/1998/Math/MathML", "mtd"); mtd1.appendChild(mn1); var mtr1 = document.createElementNS("http://www.w3.org/1998/Math/MathML", "mtr"); mtr1.appendChild(mtd1); document.getElementById("mtable0").appendChild(mtr1); // Remove a table row document.getElementById("mtable1").removeChild(document.getElementById("mtr1")); // Add a table cell to a table containing several rows var mn2 = document.createElementNS("http://www.w3.org/1998/Math/MathML", "mn"); mn2.innerHTML = 'w'; var mtd2 = document.createElementNS("http://www.w3.org/1998/Math/MathML", "mtd"); mtd2.appendChild(mn2); document.getElementById("mtr2").appendChild(mtd2); document.documentElement.removeAttribute("class"); } window.addEventListener("MozReftestInvalidate", doTest, false); </script> </body> </html>