1.js去除字符串前后的空格
function Trim(str)
{
return str.replace(/(^\s*)|(\s*$)/g, "");
}
2.js打乱数组的顺序
var array = [1,3,4,7,0,6,9,8,5,2,10]
function arraySort(){
var aLength = array.length;
var t,num;
var newArr = [];
while(aLength--){
num = Math.floor(Math.random() * aLength)
t = array[num];
array[num] = array[aLength];
array[aLength] = t;
newArr.push(t)
}
console.log(newArr)
return newArr;
}
arraySort();
去数组的最后一个位置的元素,假设是11,位置留出来,在长度11-1中随机出来一个数字num,数组中array[num]和最后一个元素位置互换,统一数组长度aLength--,依次随机。
3.转载new Foo()面试题 转载https://www.cnblogs.com/petterguo/p/9152956.html
4.冒泡排序: 转载https://www.cnblogs.com/shen-hua/p/5422676.html
5.选择排序:转载http://www.cnblogs.com/shen-hua/p/5424059.html
6.插入排序:转载https://www.cnblogs.com/chengxiao/p/6103002.html
7.取出链接头部的参数
// 获取url的参数
function parse_url (_url) {
var pattern = /[?&]([^=&#]+)=([^&#]*)/g;
var params = {};
_url.replace(pattern, function (a, b, c) {
params[b] = c;
});
return params;
}
let urlHref = window.location.href;
// 添加移除链接中的invite参数
let pr = parse_url(urlHref);
let base = window.location.href.split(‘?‘)[0] + ‘?‘;
for (let i in pr) {
if (i != ‘invite‘) {
base += i + ‘=‘ + pr[i] + ‘&‘;
}
}
urlHref = base.substring(0, base.length - 1);
原文:https://www.cnblogs.com/xiyu-8023/p/10092330.html