Stirling Engine Model - Classic

2 sold
$89.99
Quantity
/** @private {string} */ class SpzCustomAnchorScroll extends SPZ.BaseElement { static deferredMount() { return false; } constructor(element) { super(element); /** @private {Element} */ this.scrollableContainer_ = null; } isLayoutSupported(layout) { return layout == SPZCore.Layout.LOGIC; } buildCallback() { this.viewport_ = this.getViewport(); this.initActions_(); } setTarget(containerId, targetId) { this.containerId = '#' + containerId; this.targetId = '#' + targetId; } scrollToTarget() { const container = document.querySelector(this.containerId); const target = container.querySelector(this.targetId); const {scrollTop} = container; const eleOffsetTop = this.getOffsetTop_(target, container); this.viewport_ .interpolateScrollIntoView_( container, scrollTop, scrollTop + eleOffsetTop ); } initActions_() { this.registerAction( 'scrollToTarget', (invocation) => this.scrollToTarget(invocation?.caller) ); this.registerAction( 'setTarget', (invocation) => this.setTarget(invocation?.args?.containerId, invocation?.args?.targetId) ); } /** * @param {Element} element * @param {Element} container * @return {number} * @private */ getOffsetTop_(element, container) { if (!element./*OK*/ getClientRects().length) { return 0; } const rect = element./*OK*/ getBoundingClientRect(); if (rect.width || rect.height) { return rect.top - container./*OK*/ getBoundingClientRect().top; } return rect.top; } } SPZ.defineElement('spz-custom-anchor-scroll', SpzCustomAnchorScroll); const STRENGTHEN_TRUST_URL = "/api/strengthen_trust/settings"; class SpzCustomStrengthenTrust extends SPZ.BaseElement { constructor(element) { super(element); this.renderElement_ = null; } isLayoutSupported(layout) { return layout == SPZCore.Layout.CONTAINER; } buildCallback() { this.xhr_ = SPZServices.xhrFor(this.win); const renderId = this.element.getAttribute('render-id'); SPZCore.Dom.waitForChild( document.body, () => !!document.getElementById(renderId), () => { this.renderElement_ = SPZCore.Dom.scopedQuerySelector( document.body, `#${renderId}` ); if (this.renderElement_) { this.render_(); } this.registerAction('track', (invocation) => { this.track_(invocation.args); }); } ); } render_() { this.fetchData_().then((data) => { if (!data) { return; } SPZ.whenApiDefined(this.renderElement_).then((apis) => { apis?.render(data); document.querySelector('#strengthen-trust-render-1539149753700').addEventListener('click',(event)=>{ if(event.target.nodeName == 'A'){ this.track_({type: 'trust_content_click'}); } }) }); }); } track_(data = {}) { const track = window.sa && window.sa.track; if (!track) { return; } track('trust_enhancement_event', data); } parseJSON_(string) { let result = {}; try { result = JSON.parse(string); } catch (e) {} return result; } fetchData_() { return this.xhr_ .fetchJson(STRENGTHEN_TRUST_URL) .then((responseData) => { if (!responseData || !responseData.data) { return null; } const data = responseData.data; const moduleSettings = (data.module_settings || []).reduce((result, moduleSetting) => { return result.concat(Object.assign(moduleSetting, { logos: (moduleSetting.logos || []).map((item) => { return moduleSetting.logos_type == 'custom' ? this.parseJSON_(item) : item; }) })); }, []); return Object.assign(data, { module_settings: moduleSettings, isEditor: window.self !== window.top, }); }); } } SPZ.defineElement('spz-custom-strengthen-trust', SpzCustomStrengthenTrust);
people are viewing this right now
Shipping
Estimated Delivery:Feb-17 - Feb-22
Customer Reviews

Here are what our customers say.

Write a Review
Customer Reviews
Wow you reached the bottom
Newest
Most liked
Highest ratings
Lowest ratings
×
class SpzCustomFileUpload extends SPZ.BaseElement { constructor(element) { super(element); this.uploadCount_ = 0; this.fileList_ = []; } buildCallback() { this.action = SPZServices.actionServiceForDoc(this.element); this.registerAction('upload', (data) => { this.handleFileUpload_(data.event?.detail?.data || []); }); this.registerAction('delete', (data) => { this.handleFileDelete_(data?.args?.data); }); this.registerAction('preview', (data) => { this.handleFilePreview_(data?.args?.data); }); this.registerAction('limit', (data) => { this.handleFileLimit_(); }); this.registerAction('sizeLimit', (data) => { this.handleFileSizeLimit_(); }); } isLayoutSupported(layout) { return layout == SPZCore.Layout.LOGIC; } setData_(count, file) { this.uploadCount_ = count; this.fileList_ = file; } handleFileUpload_(data) { data.forEach(i => { if(this.fileList_.some(j => j.url === i.url)) return; this.fileList_.push(i); }) this.uploadCount_++; sessionStorage.setItem('fileList', JSON.stringify(this.fileList_)); this.triggerEvent_("handleFileUpload", { count: this.uploadCount_, files: this.fileList_}); if(this.fileList_.length >= 5){ document.querySelector('#review_upload').style.display = 'none'; } if(this.fileList_.length > 0){ document.querySelector('.apps-reviews-write-anonymous-box').style.marginTop = '8px'; } } handleFileDelete_(index) { this.fileList_.splice(index, 1); this.uploadCount_--; sessionStorage.setItem('fileList', JSON.stringify(this.fileList_)); this.triggerEvent_("handleFileDelete", { count: this.uploadCount_, files: this.fileList_}); document.querySelector('#review_upload').style.display = 'block'; if(this.fileList_?.length === 0){ document.querySelector('.apps-reviews-write-anonymous-box').style.marginTop = '132px'; } } handleFilePreview_(index) { const finalPreviewData = this.fileList_[index]; const filePreviewModal = document.getElementById('filePreviewModal'); const fullScreenVideo = document.getElementById('fullScreenVideo'); const fullScreenImage = document.getElementById('fullScreenImage'); const previewModalClose = document.getElementById('previewModalClose'); const previewLoading = document.getElementById('previewLoading'); filePreviewModal.style.display = 'block'; previewLoading.style.display = 'flex'; if(finalPreviewData?.type === 'video'){ const media = this.mediaParse_(this.fileList_[index]?.url); fullScreenVideo.addEventListener('canplaythrough', function() { previewLoading.style.display = 'none'; }); fullScreenImage.src = ''; fullScreenImage.style.display = 'none'; fullScreenVideo.style.display = 'block'; fullScreenVideo.src = media.mp4 || ''; } else { fullScreenImage.onload = function() { previewLoading.style.display = 'none'; }; fullScreenVideo.src = ''; fullScreenVideo.style.display = 'none'; fullScreenImage.style.display = 'block'; fullScreenImage.src = finalPreviewData.url; } previewModalClose.addEventListener('click', function() { filePreviewModal.style.display = 'none'; }); } handleFileLimit_() { alert(window.AppReviewsLocale.comment_file_limit || 'please do not upload files more than 5'); this.triggerEvent_("handleFileLimit"); } handleFileSizeLimit_() { alert(window.AppReviewsLocale.comment_file_size_limit || 'File size does not exceed 10M'); } clear(){ this.fileList_ = []; this.uploadCount_ = 0; sessionStorage.setItem('fileList', JSON.stringify(this.fileList_)); this.triggerEvent_("handleClear", { count: this.uploadCount_, files: this.fileList_}); document.querySelector('#review_upload').style.display = 'block'; } mediaParse_(url) { var result = {}; try { url.replace(/[?&]+([^=&]+)=([^&]*)/gi, function (str, key, value) { try { result[key] = decodeURIComponent(value); } catch (e) { result[key] = value; } }); result.preview_image = url.split('?')[0]; } catch (e) {}; return result; } triggerEvent_(name, data) { const event = SPZUtils.Event.create(this.win, name, data); this.action.trigger(this.element, name, event); } } SPZ.defineElement('spz-custom-file-upload', SpzCustomFileUpload);
The review would not show in product details on storefront since it does not support to.
Description
 

Product Description

1. The heat energy is converted into the mechanical kinesthetic energy of the engine, which can be operated by hands to grasp its working principle more intuitively and deepen the interest in physics.
2. Simple to assemble, valuable for collection, can be used as school experiment supplies.
3. Widely used, for children's science projects, physics/mechanical learning, teacher demonstration props in the classroom.
4. Scientific designs of the overall structure to assure system integrity and stability.
5. Made of hiqh quality material, safe and eco‑friendly, firm and durable.

Spec:
Condition: 100% Brand New
Item Type: Stirling Engine Model
Material: Iron
Function: The heat energy is converted into the mechanical kinesthetic energy of the engine, which can be operated by hands to grasp its working principle more intuitively.

packing list:
1 x Engine Model
1 x Cotton Cloth
1 x Blue Cover
1 x Jar

 

You may also like