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dom exercises submission by Yifei Sun #7

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dom exercises submission by Yifei Sun #7

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35 changes: 27 additions & 8 deletions exercises/part1-selectors-and-events/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -16,30 +16,32 @@ Part 1: Set the variable below equal to the paragraph element representing the
first test result.
==================== */

let firstResult;
let firstResult= document.getElementById("result-1");

/* ====================
Parts 2: Set the variable below equal to a collection of the paragraph
elements representing the 2nd and 3rd results.
==================== */

let secondAndThirdResults;
let secondAndThirdResults=document.getElementsByClassName("result result-2-3");

/* ====================
Parts 3: Set the variable below equal to a collection of the paragraph
elements representing the all of the results.
==================== */

let allResults;
let allResults=document.querySelectorAll(".result");

/* ====================
Part 4: Add an event listener to the button in problem 4 that changes the
button's own text to "I'm Clicked!"
==================== */

let imClickedButton;
let imClickedButton=document.getElementById("im-clicked-button");
if (imClickedButton) {
imClickedButton.addEventListener('click', () => {});
imClickedButton.addEventListener('click', () => {
imClickedButton.textContent="I'm Clicked!";
});
}

/* ====================
Expand All @@ -55,12 +57,23 @@ HINT: You may need some global state for this problem.

let spanContainer = document.querySelector('#span-container');
spanContainer.appendChild(htmlToElement('<span>0</span>'));

let addSpanButton;
let addSpanButton=document.getElementById("add-span-button");
let n=0;
if (addSpanButton) {
addSpanButton.addEventListener('click', () => {});
addSpanButton.addEventListener('click', () => {
n=n+1;

spanContainer.appendChild(htmlToElement("<span>"+ n+ "</span>"));
});
}



window.secondAndThirdResults=secondAndThirdResults;
window.allResults=allResults;
window.imClickedButton=imClickedButton;
window.spanContainer=spanContainer;

/* =====================

Results (all should report success)
Expand Down Expand Up @@ -120,3 +133,9 @@ function checkResults() {
}

checkResults();

window.firstResult= firstResult;
window.secondAndThirdResults=secondAndThirdResults;
window.allResults=allResults;
window.imClickedButton=imClickedButton;
window.spanContainer=spanContainer;