":"javascript-intermediate-read-and-validate-forms","title":"Read and validate forms","prompt":"What does this program display?","answer":"Ada","explanation":"trim() removes the outer whitespace from the input value.","context":"/* Starting HTML:\n\n

Ready

\n*/\n\ndocument.querySelector(\"#name\").value = \" Ada \";\nconsole.log(document.querySelector(\"#name\").value.trim());","exercise":"lesson-choice","options":["ADA","Ada","name"]},{"kind":"lesson","id":"javascript-intermediate-read-and-validate-forms:question-2","lessonId":"javascript-intermediate-read-and-validate-forms","title":"Read and validate forms","prompt":"What does this program display?","answer":"Enter a name","explanation":"Trimming the spaces produces an empty string, which is falsy.","context":"/* Starting HTML:\n\n

Ready

\n*/\n\nconst value = \" \".trim();\nconsole.log(value ? \"Welcome\" : \"Enter a name\");","exercise":"lesson-choice","options":["Welcome","Enter a name","undefined"]}],"lessonId":"javascript-intermediate-read-and-validate-forms","level":"intermediate"}] 14:[["$","meta","0",{"name":"viewport","content":"width=device-width, initial-scale=1"}],["$","meta","1",{"name":"theme-color","content":"#0E7490"}],["$","meta","2",{"charSet":"utf-8"}],["$","title","3",{"children":"JavaScript: beginner to advanced"}],["$","meta","4",{"name":"description","content":"ConnectionOcean helps adults meet language partners, practise languages, and build genuine international friendships through text, voice, and video communication."}],["$","link","5",{"rel":"manifest","href":"/manifest.json","crossOrigin":"use-credentials"}],["$","meta","6",{"name":"keywords","content":"Connection Ocean,language exchange,cultural exchan