how to stop requestanimationframe in javascript


Canceling requestAnimationFrame() #
If you assign your requestAnimationFrame() method to a variable, you can use the cancelAnimationFrame() method to cancel it before it runs. // Setup the animation var animation = window. requestAnimationFrame(function ()

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how to sort string aray in ts


// TypeScript
const value = ['2020', '2017', '2019', '2018']
value.sort((a,b) => a < b ? -1 : a > b ? 1 : 0) // Ascending
value.sort((a,b) => a < b ? 1 : a > b ? -1 : 0) // descending

// javaScript
const value = ['2020', '2017', '2019', '2018']
Array.from(value).sort((a,b) => a-b) // Ascending
Array.from(value).sort((a,b) => b-a) // descending

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how to split a string in javascript


//split into array of strings.
var str = "Well, how, are , we , doing, today";
var res = str.split(",");

strName.split(); // My code

// bad example https://stackoverflow.com/questions/6484670/how-do-i-split-a-string-into-an-array-of-characters/38901550#38901550

var arr = foo.split('');
console.log(arr); // ["s", "o", "m", "e", "s", "t", "r", "i", "n", "g"]

var str = 'It iS a 5r&e@@t Day.'
var array = str.split(" ");
print(array);

var str = 'It iS a 5r&e@@t Day.'
var array = str.split(" ",2);
print(array);

var str = "How are you doing today?";

var res = str.split(" ");

// Split string into an array of strings
const path = "/usr/home/chucknorris"
let result = path.split("/")
console.log(result)
// result
// ["", "usr", "home", "chucknorris"]
let username = result[3]
console.log(username)
// username
// "chucknorris"

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how to split an array in javascript


var str = "How are you doing today?";

var res = str.split(" ");

// Returns new array from exising one
arr.slice(start, end);

// Example array.
let randomArray = [3, 5, 1, 5, 7,];
// Create an empty array.
let arrayOfArrays = [];

function splitArray( array ) {
while (array.length > 0) {
let arrayElement = array.splice(0,1);
arrayOfArrays.push(arrayElement);
}
return arrayOfArrays;
}

// Call the function while passing in an array of your choice.
splitArray(randomArray)
// => [ [ 3 ], [ 5 ], [ 1 ], [ 5 ], [ 7 ] ]

var myString = 'no,u';
var MyArray = myString.split(',');//splits the text up in chunks

let data = 'Child 1 First Name: AlinChild 1 Gender: FemalenChild 1 Hair Color: BlondenChild 1 Hair Style: WavynChild 1 Skin Tone: TannChild 2 First Name: Morgan nChild 2 Gender: FemalenChild 2 Hair Color: BrownnChild 2 Hair Style: PonytailnChild 2 Skin Tone: LightnRelationship 1 to 2: BrothernRelationship 2 to 1: Brothern';
let target = {};

data.split('n').forEach((pair) => {
if(pair !== '') {
let splitpair = pair.split(': ');
let key = splitpair[0].charAt(0).toLowerCase() + splitpair[0].slice(1).split(' ').join('');
target[key] = splitpair[1];
}
});

console.dir(target);

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how to split string from position in javascript


<script> 
// JavaScript Program to illustrate split() function 
  
function func() { 
    //Original string 
    var str = 'Geeks for Geeks'
    var array = str.split("for"); 
    document.write(array); 

  
func(); 
</script> 

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how to split two digit number in javascript


for (var i = 0, sum = 0; i < output.length; sum += output[i++]);
console.log(sum);

/*
* Outputs: 39
*/

var number = 12354987,
output = [],
sNumber = number.toString();

for (var i = 0, len = sNumber.length; i < len; i += 1) {
output.push(+sNumber.charAt(i));
}

console.log(output);

/* Outputs:
*
* [1, 2, 3, 5, 4, 9, 8, 7]
*/

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how to show multiple image preview in jquery


<input id="file-input" type="file" multiple>
<div id="preview"></div>

function previewImages() {

var preview = document.querySelector('#preview');

if (this.files) {
[].forEach.call(this.files, readAndPreview);
}

function readAndPreview(file) {

// Make sure `file.name` matches our extensions criteria
if (!/.(jpe?g|png|gif)$/i.test(file.name)) {
return alert(file.name + " is not an image");
} // else...

var reader = new FileReader();

reader.addEventListener("load", function() {
var image = new Image();
image.height = 100;
image.title = file.name;
image.src = this.result;
preview.appendChild(image);
});

reader.readAsDataURL(file);

}

}

document.querySelector('#file-input').addEventListener("change", previewImages);

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