随笔分类 -  前端基础知识

谷歌浏览器控制台输入JS代码检测请求地址是否跨域访问
摘要：var token= "your token"; var xhr = new XMLHttpRequest(); xhr.open('GET', 'http://d-web.keenlon.cn/gateway/code'); xhr.setRequestHeader("x-access-token 阅读全文
posted @ 2023-05-03 21:24 青柚 阅读(29) 评论(0) 推荐(0)
弹性布局
摘要：/* pages/flex/flex.wxss */ .outter{ width: 100%; display: flex; /* justify-content: flex-start; 左对齐 */ /* justify-content: flex-end; 右对齐 */ /* justify 阅读全文
posted @ 2020-06-20 22:41 青柚 阅读(134) 评论(0) 推荐(0)
移动端 1px 适配方案
摘要：<!doctype html> <html lang="en" > <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0 阅读全文
posted @ 2020-06-14 10:51 青柚 阅读(316) 评论(0) 推荐(0)
移动端适配 viewport 不推荐
摘要：<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, 阅读全文
posted @ 2020-06-13 14:11 青柚 阅读(232) 评论(0) 推荐(0)
移动端适配 rem
摘要：<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, 阅读全文
posted @ 2020-06-13 13:51 青柚 阅读(159) 评论(0) 推荐(0)
js 贷款计算器
摘要：``` 贷款计算器 Enter Loan Data: Loan Balance,Cumulative Equity,and Interest Payments Amount of the loan ($): ... 阅读全文
posted @ 2020-04-25 18:02 青柚 阅读(591) 评论(0) 推荐(0)
js 实现阶乘
摘要：``` function factoria(n){ var product = 1; whlie(n > 1 ){ product *= n; n--; } return product; } ``` 阅读全文
posted @ 2020-04-25 11:07 青柚 阅读(430) 评论(0) 推荐(0)
js 两点间距离函数
摘要：``` var points = [{x:0,y:0},{x:1,y:1}]; points.dist = function() { var p1=this[0]; var p2=this[1]; var a = p2.x-p1.x; var b = p2.y-p1.y; return Math.sqrt(a*a+b*b); }; points.dist() ``` 阅读全文
posted @ 2020-04-25 10:02 青柚 阅读(3537) 评论(0) 推荐(0)
echarts 单个雷达图代码
摘要：``` option = { backgroundColor:'#fff', //背景颜色 title: { text: '多雷达图' }, tooltip: { trigger: 'axis' }, radar: [ { indicator: [ {text: '需求分解', max: 100}, {text: '产品设计', max: 100}, {text: '功能调研', max: 100 阅读全文
posted @ 2019-09-09 15:49 青柚 阅读(568) 评论(0) 推荐(0)
ajax 使用方法简述
摘要：$.ajax({ type:"get"， 或者 "post" url："接口地址", 你的请求要和接口一样 data: "参数="+ 值 , dataType:"html", //"xml","html","script","json","jsonp","text" beforeSend:funct 阅读全文
posted @ 2017-05-13 22:27 青柚 阅读(212) 评论(0) 推荐(0)