In the above example, when you passas a parameter to the SomeFunction() thenpoints to global window object insted of obj, becausewill be executed as a global function by JavaScript engine. You can solve this pr
In strict mode, thethisvariable doesn’t carry the value of the context implicitly, this means if its context isn’t set, the value of this is default toundefinedas shown in the following snippet. function foo() { "use strict"; return this; } console.info(foo()); //undefined To set...
Functions in JavaScript are considered first-class objects, which means that they can be stored in variables, passed around, returned from other functions, and even hold their properties. All functions descend from the built-inFunctionobject and they inherit methods defined on the Function.prototype ...
In JavaScript, there’s many different ways of doing something. This is both a good thing and a bad thing. To the newcomer this is definitely a bad thing, as it means not only more things to learn, but more little caveats and more places to go wrong. And so it is with declaring fu...
We can find the 'Length' of an array in JavaScript; it means, we can see in the output how many elements an array carries. Finding an element of an array by its 'Index (Position) Number'. In JavaScript, If we want to find an element from an array whose element does not exist in...
'this' is a reserved word that means the object in which that line of code is. With JavaScript you sometimes need to convery which 'this' you mean. There are generally two ways to do that, either Bind or use a variable. For example: alert(this); testfunction(); on testfunc...
();’ and ‘var u = user();’” in the code. Having such mixin in your code, means that conventions are not used. And if such developers unable to stick to one format in their own code, how do you want them to stick to the global well-known conventions for the whole JavaScript?
This means that the body of regular text areas can have embedded code. This is true for attributes and the contents of plugins like javascript and markdown also. If you notice an area that doesn't support interpolation and it should then send me a note and I'll add it. For ...
In some sites I noticed the following href: I'm interested in what javascript:; means? Is it the same as javascript:void(0)? javascript: means "whatever comes after this will be javascript."... 实现ARM开发板与pc机的互ping,及ping www.baidu.com的方法 ...
In this episode of Shopify Masters, you’ll learn from an entrepreneur who has grown his company but still does his own customer service, and why he thinks the key to staying successful in his market is to continue to answer every email himself.