Difference between revisions of "DOM content from lists"

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Line 1: Line 1:
<pre id='shellbody' data-qtp='fetch'></pre>
<pre id='shellbody' data-qtp='fetch'></pre>
<div class=qu>
<div class=qu>
beatles.json
{"members":
  [
    {"firstName":"Paul","lastName":"McCartney"},
    {"firstName":"John","lastName":"Lennon"},
    {"firstName":"Ringo","lastName":"Starr"},
    {"firstName":"George","lastName":"Harrison"}
  ]
}
== Show a list of numbers ==
== Show a list of numbers ==
*When you have data in a list you can use a for loop to generate content
*When you have data in a list you can use a for loop to generate content
Line 10: Line 20:
       let div = document.createElement('div');
       let div = document.createElement('div');
       div.innerHTML = beatle.firstName;
       div.innerHTML = beatle.firstName;
       document.obdy.append(div);
       document.body.append(div);
     }
     }
   });
   });
</pre>
</pre>
<pre class=ans>
<pre class=ans>
for(let beatle of ['John', 'Paul', 'George', 'Ringo']){
fetch('/beatles.json')
  let div = document.createElement('div');
  .then((r)=>r.json())
  div.innerHTML = beatle;
  .then((r)=>{
  document.body.append(div);
    for(let beatle of r.members){
}
      let div = document.createElement('div');
      div.innerHTML = `${beatle.firstName} ${beatle.lastName}`;
      document.body.append(div);
    }
  });
 
</pre>
</pre>
</div>
</div>

Revision as of 07:46, 26 August 2021


beatles.json

{"members":
 [
   {"firstName":"Paul","lastName":"McCartney"},
   {"firstName":"John","lastName":"Lennon"},
   {"firstName":"Ringo","lastName":"Starr"},
   {"firstName":"George","lastName":"Harrison"}
 ]
}

Show a list of numbers

  • When you have data in a list you can use a for loop to generate content
fetch('/beatles.json')
  .then((r)=>r.json())
  .then((r)=>{
    for(let beatle of r.members){
      let div = document.createElement('div');
      div.innerHTML = beatle.firstName;
      document.body.append(div);
    }
  });

fetch('/beatles.json')
  .then((r)=>r.json())
  .then((r)=>{
    for(let beatle of r.members){
      let div = document.createElement('div');
      div.innerHTML = `${beatle.firstName} ${beatle.lastName}`;
      document.body.append(div);
    }
  });