Tennis Training Single Player Self Training Rebound Tool

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/** @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);
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$33.90
$65.90
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Color : Blue
Specifications : Adult
Quantity
Description

🔥The price is limited ! 🔥 Grab yours as the limited promotion available!

  • ⏰TIPS: All goods are authentic, with genuine patents, counterfeit must be investigated! Customers, please identify our products!!!
  • 😊If you are not satisfied with the goods you received, please contact us within 15 days after receiving, we will give you the best help!
  • 🚢 Shipping>>Worldwide express shipping available.
  • 🔥98.9% of customers buy 2 or more

MAIN FEATURES

  • ABS, nylon, Aluminum alloy+carbon fiber

  • TENNIS PRACTICE REBOUNDER-- A good helper for tennis fans' personal training and an interactive toy for parents and to increase their emotions.

          

  • BASKETBALL REBOUNDER-- Manufactured with premium material, with excellent durability and premium practicality.

          

  • EXERCISE TENNIS-- REBOUND BALL WITH STRING 🔥Made of good materials, safe and , and can be repeatedly for a time. To help beginners master the balls resulted by strokes on different parts and directions. This tennis training set has a unique function, and practical.

           

  • TENNIS TRAINER-- 🎾Solo Training: No need for partners to practice together, no need to pick up the ball. The super elastic and resistant ropes ensure perfect rebound so you can enjoy practice. To be for adult, boys or girls, and different skill level, practical and multipurpose.

          

  • BASKETBALL REBOUNDER MACHINE-- No site restrictions, outdoor or indoor sports supplies, you can play with your friends, families,

SPECIFICATIONS

  • Material: ABS, nylon,Aluminum alloy+carbon fiber

  • Weight: 500g

  • Advantages: Enlarged racket surface, high-strength mesh cable, broken wind frame design, ergonomic design, upgraded shock absorption and rebound, anti slip and comfortable handle

Shipping:

  • Free Shipping Over $50.

  • Orders will be processed within 7 business days of ordering and shipped out the next day after the processing day. Orders will generally be delivered within 7 to 14 working days.

Returns:Fast refund for any dissatisfaction within 15 days, 100% money-back guarantee.


Note:

  • Due to manual measurements, please allow slight measurement deviations.

  • Due to the different display and lighting effects, the actual color of the item may be slightly different from the color displayed on the picture.