javascript from scratch for beginners

1.1. Thumbnail mark//Defining Objects//var car = new Object (); //car.colour = ' red '; //car.wheels = 4; //car.hubcaps = ' spinning '; //car.age = 4; //the simple wording of the above code: varCar ={colour:'Red', Wheels:4, Hubcaps:'Spinning', Age:4 }//Defining Arrays varTestarr =NewArray ('str1','str2','STR3','STR4'); //the simple wording of the above code: varTestarr = ['str1','str2','STR3','STR4']; //Associative Arrays varCar =NewArray ()

To engage in web development, do not know where to begin?JavaScript language but don't know how to step!The best way is to constantly do Web pages, write code, constantly look at other people's Code, research other people's Code!Practice JS with code every skill point: listen to more read more ask more write!Learn to System, you can also find a super-practical XXX code snippet, carefully grind!Keep track of your learning results every day, and don't b

To engage in web development, do not know where to begin?JavaScript language but don't know how to step!The best way is to constantly do Web pages, write code, constantly look at other people's Code, research other people's Code!Practice JS with code every skill point: listen to more read more ask more write!Learn to System, you can also find a super-practical XXX code snippet, carefully grind!Keep track of your learning results every day, and don't b

To engage in web development, do not know where to begin?JavaScript language but don't know how to step!The best way is to constantly do Web pages, write code, constantly look at other people's Code, research other people's Code!Practice JS with code every skill point: listen to more read more ask more write!Learn to System, you can also find a super-practical XXX code snippet, carefully grind!Keep track of your learning results every day, and don't b

that the value of the object is not null or undefined before using the for-in loop.Label Statement: use the label statement to add tags to your code for future Use.Break and continue with the C language, controlling code execution in the loop body.With statement, The main purpose is to simplify the work of writing the same object multiple Times. (with statement not allowed in strict mode)With (expression) statementvar qs=location.search.substring (1);var hostname=location.hostname;var url=locat