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题解 | #文件扩展名#

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> </he...

HTML/CSS/JavaScript

2022-09-20

0 303

题解 | #直角三角形#

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> </he...

HTML/CSS/JavaScript

2022-09-20

0 271

题解 | #移除数组中的元素#

function removeWithoutCopy(arr, item) { for(let i=0;i<arr.length;i++){ if(arr[i]==item){ &n...

HTML/CSS/JavaScript

2022-09-19

0 265

题解 | #移除数组中的元素#

function remove(arr, item) { var arr1 = []; for(var i = 0; i < arr.length; i ++){ if(arr[i] !== item){ &n...

HTML/CSS/JavaScript

2022-09-19

0 279

题解 | #数组求和#

function sum(arr) { var sum = 0; for(var i = 0 ;i<arr.length;i++){ sum += arr[i] &nb...

HTML/CSS/JavaScript

2022-09-19

0 238

题解 | #点击按钮隐藏元素#

<!DOCTYPE html> <html> <head> <meta charset=utf-8> <s...

HTML/CSS/JavaScript

2022-09-19

0 305

题解 | #url地址#

function getUrlHref (){ // 补全代码 return location.href;}

HTML/CSS/JavaScript

2022-09-19

0 340

题解 | #阻止默认事件#

<html> <head> <meta charset=utf-8> </head> <body> ...

HTML/CSS/JavaScript

2022-09-19

1 325

题解 | #阻止冒泡事件#

<html> <head> <meta charset=utf-8> </head> <body> ...

HTML/CSS/JavaScript

2022-09-19

0 254

题解 | #CSS选择器——伪元素#

<html> <head> <meta charset=utf-8> <style type="text/css"&g...

HTML/CSS/JavaScript

2022-09-19

0 202