if (!String.prototype.startsWith) {
Object.defineProperty(String.prototype, 'startsWith', {
enumerable: false,
configurable: false,
writable: false,
value: function (searchString, position) {
position = position || 0;
return this.indexOf(searchString, position) === position;
}
});
}//大拿拿了一个这样的代码出来，你妈，，吓死我了，，这不科学啊而且
this.indexOf(searchString, position) === position;这句感觉有问题
转载于:https://www.cnblogs.com/diligenceday/p/3741158.html
