只有当冒号后面的代码是undefined时,浏览器才不会做这件事,我们经常会用void运算符来实现这个需求。像下面这样: Click here to do something 参考链接:what-does-void-0-mean
In this example, we have set javascript: void(0) to the href and added a double-click event to the anchor tag. Only when the user doubles clicks on the tag, does the alert trigger. Here page does not refresh because we have set javascript: void(0). We can not observe the color ch...
Why use void(0) in JavaScript? By: Rajesh P.S.In JavaScript, javascript:void(0) is a special syntax used as a placeholder in the href attribute of an anchor tag to prevent the browser from navigating to a new page when the link is clicked. It's often used in cases where the link...
To prevent the page reloading upon a single click, we can use JavaScript:void(0); within the anchor link.Double Click Me! View Output Same Example, but without JavaScript:void(0)Look at what would happen if we didn't use JavaScript:void(0); within ...
login 我已经看过很多次这样的href,但我不知道这意味着什么。 Thevoidoperator evaluates the given expression and then returnsundefined. Thevoidoperator is often used merely to obtain theundefinedprimitive value, usually using “void(0)” (which is equivalent to “void 0”). In these cases, the gl...
What does the underlined word "void" mean in Paragraph 3? ___ A. Time. B. Gap. C. Desire. D. Choice. 相关知识点: 试题来源: 解析 have an opportunity to do sth.有机会做某事,其中不定式作后置定语,修饰opportunity。故填to host。反馈 ...
It Has Many Meanings. Depending upon where u use it. 1) If used as Function Return Type, Then It Means It does Not returns Any Value To Calling Program. In "void main()" case it does not return any value to Operation System. 2) If Used for Declaring Data Type(E.G., in C Lang...
Instead, it encourages a reversal: prioritize 100% standard, static web pages and subsequently introduce an additional stratum of JavaScript, almost as an afterthought, for supplementary enhancement. Continue Reading...Next > What Does JavaScript Void(0) Mean?Related...
What is the difference between unknown, void, null and undefined, never in ts? What are generic constraints in ts? Two ways to define an array type Type assertion in ts Generic functions and generic interfaces How to understand as const? What does declare global mean? How to add a global...
publicclassHelloWorld{publicstaticvoidmain(String... args){ System.out.println("I am inside java class HelloWorld"); } } if you compile this Java file by => javac HelloWorld.java it will produce => HelloWorld.class Class file details in Java ...