, but this code // executes before the first paint, when

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is not yet present. The // classes are added to so styling immediately reflects the current // toolbar state. The classes are removed after the toolbar completes // initialization. const classesToAdd = ['toolbar-loading', 'toolbar-anti-flicker']; if (toolbarState) { const { orientation, hasActiveTab, isFixed, activeTray, activeTabId, isOriented, userButtonMinWidth } = toolbarState; classesToAdd.push( orientation ? `toolbar-` + orientation + `` : 'toolbar-horizontal', ); if (hasActiveTab !== false) { classesToAdd.push('toolbar-tray-open'); } if (isFixed) { classesToAdd.push('toolbar-fixed'); } if (isOriented) { classesToAdd.push('toolbar-oriented'); } if (activeTray) { // These styles are added so the active tab/tray styles are present // immediately instead of "flickering" on as the toolbar initializes. In // instances where a tray is lazy loaded, these styles facilitate the // lazy loaded tray appearing gracefully and without reflow. const styleContent = ` .toolbar-loading #` + activeTabId + ` { background-image: linear-gradient(rgba(255, 255, 255, 0.25) 20%, transparent 200%); } .toolbar-loading #` + activeTabId + `-tray { display: block; box-shadow: -1px 0 5px 2px rgb(0 0 0 / 33%); border-right: 1px solid #aaa; background-color: #f5f5f5; z-index: 0; } .toolbar-loading.toolbar-vertical.toolbar-tray-open #` + activeTabId + `-tray { width: 15rem; height: 100vh; } .toolbar-loading.toolbar-horizontal :not(#` + activeTray + `) > .toolbar-lining {opacity: 0}`; const style = document.createElement('style'); style.textContent = styleContent; style.setAttribute('data-toolbar-anti-flicker-loading', true); document.querySelector('head').appendChild(style); if (userButtonMinWidth) { const userButtonStyle = document.createElement('style'); userButtonStyle.textContent = `#toolbar-item-user {min-width: ` + userButtonMinWidth +`px;}` document.querySelector('head').appendChild(userButtonStyle); } } } document.querySelector('html').classList.add(...classesToAdd); })(); Michael Stob | 黄大仙高手论坛

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Dr. Michael Stob

Professor Emeritus
Mathematics and Statistics

Biography

  • Dean for Academic Administration, Calvin College, 2009–present
  • Assistant, Associate, and Full Professor of Mathematics, Calvin College, 1979–present
  • Visiting Professor of Mathematics, University of Notre Dame, 1997–98, 2005–2006
  • Dean for the Contextual Disciplines and for Natural Sciences and Mathematics, Calvin College, 1998–2004
  • Visiting Associate Professor of Mathematics, University of Wisconsin, 1983–84
  • CLE Moore Instructor in Mathematics, Massachusetts Institute of Technology, 1979–81

Education

  • BA in mathematics, Calvin College, 1974
  • MS in mathematics, University of Chicago, 1975
  • PhD in mathematics, University of Chicago, 1979

Academic Interests

computability theory (formerly called recursion theory), cognitive science (especially formal models of learning), tournaments (especially ranking problems)

Michael Stob

Contact Me

526-7114

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