Found a total of 55 related content
What should you pay attention to when using this keyword in Java?
Article Introduction:Explain that non-static methods need to be accessed by objects. Which object calls this method, this is the object. Usage Notes 1. In the program, the representative refers to the current object, and the this keyword needs to be used in some non-static method. 2. The this keyword can be omitted. 3. This can be omitted when accessing non-static members in the current category. Instance this cannot be omitted: publicclassPerson{Stringname;intage;chargender;voidsetInfo(Stringname,intage,chargender){//Proximity principle this.name=name;this.age=age;
2023-04-20comment 0533
Is the javascript keyword var?
Article Introduction:Var is a keyword in JavaScript, but JS keywords are not only var, but also break, else, new, case, finally, return, void, catch, for, switch, while, continue, this, with, if, etc.
2021-09-07comment 01537
What do javascript keywords mean?
Article Introduction:In JavaScript, keywords refer to those words that have specific meanings in the JavaScript language and become part of the JavaScript syntax; keywords cannot be used as variable names and function names. If keywords are used as variable names or function names, JavaScript will A compilation error occurred during loading.
2022-03-02comment 02948
Usage and precautions of if keyword in PHP
Article Introduction:The if keyword in PHP is an important keyword used for conditional judgment and control process. It can determine whether to execute a specific block of code based on given conditions. When using the if keyword, you need to pay attention to some details and precautions. This article will discuss the usage of if keyword and related considerations. First, the basic syntax of the if keyword is as follows: if(condition){//codetobeexecutedifconditionistr
2023-06-28comment 0898
Understanding the 'this' keyword
Article Introduction:When you create a function, a keyword called this is created (behind the scenes) that is linked to the object the function runs on. In other words, this is available to the scope of its function, but it is a reference to the object whose function is a property or method. Let's take a look at the cody object from the previous article: Example: sample98.html