, 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); })(); Mark Michmerhuizen | 黄大仙高手论坛

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Mr. Mark Michmerhuizen

Associate Professor

Biography

After completing his degree at Michigan, Mr. Michmerhuizen returned to Calvin to teach for one semester in a temporary role.  He joined Smiths Industries (today General Electric Aviation) in Grand Rapids, MI in 1991 as a designer of Application-Specific Integrated Circuits (ASICs) for aerospace applications.  In 1992, Mr. Michmerhuizen joined Prince Corporation in Holland, MI (later acquired by Johnson Controls).
While at Johnson Controls, Mr. Michmerhuizen held a variety of roles within the company.  He started in a design role working on automotive trip computers, eventually moving into engineering and project management.  Mr. Michmerhuizen was the engineering manager for the team that launched the first automotive hands-free telephone system using Bluetooth technology, in the 2003 Chrysler Pacifica.  As the integration between smart phones and automobiles grew stronger, he was involved in advanced development of 鈥淚nfotainment鈥 systems.
Mr. Michmerhuizen left Johnson Controls in 2013 to join Dematic Corporation (Grand Rapids, MI) as a project manager working on Dematic鈥檚 implementation of a Product Lifecycle Management (PLM) system.  While at Dematic, he earned his Project Management Professional (PMP) certification.

Education

MSEE in Electrical Engineering
University of Michigan, 1990
Master of Business Administration
Grand Valley State University (Allendale, MI), 2005
Mr. Michmerhuizen graduated from Calvin College with a BSE in 1989.  He completed an MSEE at the University of Michigan in 1990, with a focus on solid state device and circuit design.  He completed his MBA degree while working in industry.