matcherfunctioncase insensitiveThe method used to determine if a query matches an item. Accepts a single argument, theitemagainst which to test the query. Access the current query withthis.query. Return a booleantrueif query is a match. ...
varvalue1 = 10;varvalue2 =true;varvalue3 =null;varvalue4; alert(String(value1));//10alert(String(value2));//truealert(String(value3));//null, null和undefined没有toString()方法,String()函数就返回了这两个值的字面值。alert(String(value4));//undefined 3.5 操作符 1. 一元加和减操作符...
If the parameter is a regular expression, the global flag (g) must be set, otherwise a TypeError is thrown. Example constiterator = text.matchAll(/Cats/g); Try it Yourself » If you want to search case insensitive, the insensitive flag (i) must be set: ...
Set option to false or 0 to disable. The smallest sequences length is 2. A sequences value of 1 is grandfathered to be equivalent to true and as such means 200. On rare occasions the default sequences limit leads to very slow compress times in which case a value of 20 or less is ...
The library semmle.javascript.dataflow.TypeInference implements a simple type inference for JavaScript based on intraprocedural, heap-insensitive flow analysis. Basically, the inference algorithm approximates the possible concrete runtime values of variables and expressions as sets of abstract values (repres...
i:表示不区分大小写(case-insensitive)模式,即在确定匹配项时忽略模式与字符串的大小写; m:表示多行(multiline)模式,即在到达一行文本末尾时还会继续查找下一行中是否存在与模 式匹配的项。 因此,一个正则表达式就是一个模式与上述3 个标志的组合体。不同组合产生不同结果 ...
我们用的最多的引用类型就属object类型了,一般用来存储和传输数据是再好不过的。然,它的两种创建方式我们是否了解呢? 1、通过构造函数来创建 var obj = new 在js中的引用类型有个非常灵活的用法,可以动态的附加属性和赋值。 如: varobj=newObject();obj.name="张三";//动态添加属性并赋值obj.age=23;alert(...
By default, thereplace()method is case sensitive. Writing MICROSOFT (with upper-case) will not work: Example lettext ="Please visit Microsoft!"; letnewText = text.replace("MICROSOFT","W3Schools"); Try it Yourself » To replace case insensitive, use aregular expressionwith an/iflag (insen...
Providing a string will result in a case-insensitive substring search. Use a RegExp for more sophisticated searches. [replacement] string | function The text to replace or a String.replace callback function. If pattern is a string, all occurrences of the pattern in the cell will be replaced...
and “Next Image” links. The result is that you can use Slightly ThickerBox to create image galleries. In addition, you can create groups of galleries by setting a “rel” attribute on the links. (I also moved the Caption and Close link to the top and made the script case insensitive...