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Nov 18, 2022AustinLeath
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More JavaScript Posts

Convert data to yyyy mm dd format

Nov 19, 2022CodeCatch

0 likes • 1 view

// `date` is a `Date` object
const formatYmd = date => date.toISOString().slice(0, 10);
// Example
formatYmd(new Date()); // 2020-05-06

Ticking clock

Nov 19, 2022CodeCatch

0 likes • 0 views

function Clock(props) {
return (
<div>
<h1>Hello, world!</h1>
<h2>It is {props.date.toLocaleTimeString()}.</h2>
</div>
);
}
function tick() {
ReactDOM.render(
<Clock date={new Date()} />,
document.getElementById('root')
);
}
setInterval(tick, 1000);

LeetCode Product Except Self

Sep 13, 2023C S

0 likes • 11 views

/**
* @param {number[]} nums
* @return {number[]}
*/
var productExceptSelf = function(nums) {
var output = [];
var leftMult = 1;
var rightMult = 1;
for (var i=nums.length - 1; i >= 0; i--) {
output[i] = rightMult;
rightMult *= nums[i];
console.log({output: JSON.stringify(output), i})
}
for (var j=0; j < nums.length; j++) {
output[j] *= leftMult;
leftMult *= nums[j];
console.log({output: JSON.stringify(output), j})
}
return output;
};
console.log(productExceptSelf([1, 2, 3, 4]))

containsDuplicate

Nov 19, 2022CodeCatch

0 likes • 0 views

let nums = [1,2,3,1]
var containsDuplicate = function(nums) {
let obj = {};
for(let i =0; i< nums.length; i++){
if(obj[nums[i]]){
obj[nums[i]] += 1;
return true;
}else{
obj[nums[i]] = 1;
}
}
return false;
};
console.log(containsDuplicate(nums));

Composing components

Nov 19, 2022CodeCatch

0 likes • 3 views

function Welcome(props) {
return <h1>Hello, {props.name}</h1>;
}
function App() {
return (
<div>
<Welcome name="Sara" />
<Welcome name="Cahal" />
<Welcome name="Edite" />
</div>
);
}
ReactDOM.render(
<App />,
document.getElementById('root')
);

UNT canvas file finder utility

Nov 18, 2022AustinLeath

0 likes • 2 views

//use this with canvas file finder
function NewTab(testing) {
window.open(testing, "_blank");
}
for(test in results) {
var testing = 'https://unt.instructure.com/files/' + test + '/download';
NewTab(testing);
}