René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"16j","articleBody":"can sommeonew explain why i  get the error  [ cannot read properties of null(reading 'innerText')]\nshould i call the renderpaymentSummary() inside this testcase?\n\nit('update delivery option', () =\u003e {\n\n    document.querySelector(`.js-delivery-option-${productId1}-3`).click();\n   \n    expect(document.querySelector(`.js-delivery-option-input-${productId1}-3`).checked).toEqual(true);\n\n    expect(cart.length).toEqual(2);\n    expect(cart[0].productId).toEqual(productId1);\n    expect(cart[0].deliveryOptionId).toEqual('3');\n\n    const a=document.querySelector('.js-payment-summary-shipping');\n    expect((a).innerText).toEqual('$14.98');\n\n    const b=document.querySelector('.js-payment-summary-total');\n    expect((b).innerText).toEqual('$63.50');\n  });\n\n\n\ntest suite: renderOrderSummary\u003eupdate delivery option\nTypeError: Cannot read properties of null (reading 'innerText')\n    at UserContext.\u003canonymous\u003e (http://127.0.0.1:5500/tests/checkout/orderSummaryTest.js:96:16)\n    at \u003cJasmine\u003e","author":{"url":"https://github.com/K-ESWAR","@type":"Person","name":"K-ESWAR"},"datePublished":"2025-05-15T12:06:17.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/167/javascript-course/issues/167"}