Number.prototype.clamp = function(min, max) {
return Math.min(Math.max(this, min), max);
};// 补零
String.prototype.padZero = function(length){
var s = this;
while (s.length < length) {
s = '0' + s;
}
return s;
};
Number.prototype.padZero = function(length){
return String(this).padZero(length);
};// 对比数组
Array.prototype.equals = function(array) {
if (!array || this.length !== array.length) {
return false;
}
for (var i = 0; i < this.length; i++) {
if (this[i] instanceof Array && array[i] instanceof Array) {
if (!this[i].equals(array[i])) {
return false;
}
} else if (this[i] !== array[i]) {
return false;
}
}
return true;
};// 0到max-1随机数
Math.randomInt = function(max) {
return Math.floor(max * Math.random());
};// 判断是否是移动设备
isMobileDevice = function() {
var r = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i;
return !!navigator.userAgent.match(r);
};// 判断是否是苹果浏览器
isMobileSafari = function() {
var agent = navigator.userAgent;
return !!(agent.match(/iPhone|iPad|iPod/) && agent.match(/AppleWebKit/) &&
!agent.match('CriOS'));
};
// 判断是否是安卓chrome
isAndroidChrome = function() {
var agent = navigator.userAgent;
return !!(agent.match(/Android/) && agent.match(/Chrome/));
};
