摘要:
var n = []; var e = document.createElement('canvas'); var ctx = e.getContext('2d'); e.width = 2e3; e.height = 200; e.style.display = 'inline'; ctx.rec 阅读全文
摘要:
var a = { n:1, valueOf:function(){ return this.n++; } }; console.log( a == 1 && a == 2 && a == 3 ); var o = (function(){ var obj = { a:1, b:2, }; retu 阅读全文
摘要:
func ExampleCollection_FindOne() { var coll *mongo.Collection var id primitive.ObjectID // Find the document for which the _id field matches id. // Sp 阅读全文