js constnullVar=null;nullVar.toString();// TypeError: nullVar is nullString(nullVar);// "null"constundefinedVar=undefined;undefinedVar.toString();// TypeError: undefinedVar is undefinedString(undefinedVar);// "undefined" Specification ECMAScript® 2026 Language Specification ...
stringstream stream; int a,b; ss<<"80";//向流输出数据(写入) ss>>a;//从流输入数据到a cout<<"Size of ss = "<<ss.str().length()<<endl;//ss.str()返回一个string对象,再调用其成员函数length() ss.clear();//清空流 ss.str("");//清空流缓存 cout<<"Size of ss = "<<ss.str...
String.prototype.anchor() (hypertext target)String.prototype.big()String.prototype.blink()<blink>String.prototype.bold()String.prototype.fixed()String.prototype.fontcolor()String.prototype.fontsize()String.prototype.italics()String.prototype.link() (link to URL)String.prototype.small()String.prototype....
32. Constant pool (size = 10) 33. 000003D78D381C71: [FixedArray] in OldSpace 34. - map: 0x03ac45880169 <Map> 35. - length: 10 36. 0: 0x03d78d381c11 <FixedArray[8]> 37. 1: 0x03d78d381b69 <String[#12]: hello world!> 38. 2: 0x03d78d381b51 <String[#1]: s> 39...
UtfString is designed to be used in node.js or in the browser.In node:import { UtfString } from "utfstring"; var safeString = new UtfString("𤔣"); console.log(safeString.length); // 1In the browser, UtfString will be available on window after you import the Javascript file from...
This JavaScript tutorial explains how to use the string method called fontsize() with syntax and examples. In JavaScript, fontsize() is a string method that is used to create the HTML element and specify a font size.
Using property access [] like in arrays JavaScript String charAt() ThecharAt()method returns the character at a specified index (position) in a string: Example lettext ="HELLO WORLD"; letchar= text.charAt(0); Try it Yourself »
js String charCodeAt All In One ThecharCodeAt()method returns an integer between 0 and 65535 representing the UTF-16 code unit at the given index. charCodeAt() 方法返回一个介于 0 和 65535 之间的整数,表示给定索引处的 UTF-16 代码单元。
sizeFromString('100x200'); //=> {width: 100, height: 200} API sizeFromString(input) Returns an object with width and height properties. input Required Type:string The size, represented as a string'<width>x<height>'that you want to convert into an object. You can pass in integers or...
fontsize()Displays a string using a specified size italics()Displays a string in italic link()Displays a string as a hyperlink small()Displays a string using a small font strike()Displays a string with a strikethrough sub()Displays a string as subscript text ...