[英]In JavaScript, what is the difference between var a=5. and var a=5?
如標題說明
在JavaScript中，var a = 5有什么區別。 而var a = 5？
typeof(5.) //return number
typeof(5) //return number
在javascript中，浮點數也被視為數字，因此typeof(5.)等於返回數字的typeof(5.0) 。
JavaScript 中的 (var1 !== var2) 與 (var1 && var1 !== var2) 有什么區別？
[英]What is the difference between (var1 !== var2) vs (var1 && var1 !== var2) in JavaScript?
var a = {}和var a = function（）{}有什么區別
[英]what is the difference between var a = {} and var a = function(){}
var myVar =“”和有什么不一樣？ 和var myVar ;？
[英]what is the difference between var myVar = “”; and var myVar;?
在Javascript中'var'聲明的變量和'this'創建的屬性之間有什么區別？
[英]What's the difference between a 'var' declared variable and 'this' created property in Javascript?
在javascript中，window.function（）{}和var variable = function有什么區別？
[英]In javascript, what is the difference between window.function(){} and var variable = function?
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