2. 内容过滤:在处理文本内容时,检测是否包含敏感词、非法字符或特定关键词,以进行内容审核、自动标记或过滤。 function containsProfanity(text) { const profanities = ["swearword1", "swearword2", "etc."]; return profanities.some(word => text.includes(word)); } const message = "This message contai...
2. 内容过滤:在处理文本内容时,检测是否包含敏感词、非法字符或特定关键词,以进行内容审核、自动标记或过滤。 function containsProfanity(text) { const profanities = ["swearword1", "swearword2", "etc."]; return profanities.some(word => text.includes(word)); } const message = "This message contai...
JavaScript是一种解释执行的脚本语言,是一种动态类型、弱类型、基于原型的语言,内置支持类型,它遵循ECMAScript标准。它的解释器被称为JavaScript引擎,为浏览器的一部分,广泛用于客户端的脚本语言,主要用来给HTML增加动态功能。 几乎所有主流的语言都可以编译为JavaScript,进而能够在所有平台上的浏览器中执行,这也体现了Java...
A string can be any text inside double or single quotes: letcarName1 ="Volvo XC60"; letcarName2 ='Volvo XC60'; Try it Yourself » String indexes are zero-based: The first character is in position 0, the second in 1, and so on. ...
当此参数为false(默认值)时,只有Selection对象完全包含aNode时,containsNode()方法才返回true。 示例: 文本 var text = document.querySelector("#text"); var selObj = window.getSelection(); var contains = selObj.containsNode(text); deleteFromDocument() 从DOM...
"string"——如果这个值是字符串; "number"——如果这个值是数值; "object"——如果这个值是对象或 null; "function"——如果这个值是函数。 undefined 类型 Undefined 类型只有一个值,即特殊的 undefined。在使用 var 声明变量但未对其加以初始化时,这个变量的值就是 undefined Null 类型 Null 类型是第二个只...
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 » JavaScript String charCodeAt() ThecharCodeAt()method returns the code of the character at a specified...
The value of the number usually depends on whether the result is true or false or whether the resultant string contains a number. To understand this better, consider the following examples: alert(true+true)//2 alert(true+false)//1 alert(false+false)//0 Each code sample is a Boolean ...
The following provides a means of ensuring that going through a string loop always provides a whole character, even if the string contains characters that are not in the Basic Multi-lingual Plane. var str = 'A \uD87E\uDC04 Z'; // We could also use a non-BMP character directly for (...
from DataFlow::Node source, DataFlow::Node sink, Variable v where PasswordFlow::flow(_, sink) and passwordVarAssign(v, sink) select sink, "Password variable " + v + " is assigned a constant string." Syntax errors JavaScript code that contains syntax errors cannot usually be analyzed. For...