public static boolean isNotEmpty(String str) 判断某字符串是否非空,等于!isEmpty(String str),这里不能排除空格字符 示例: 代码语言:javascript 代码运行次数:0 StringUtils.isNotEmpty(null)=falseStringUtils.isNotEmpty("")=falseStringUtils.isNotEmpty(" ")=trueStringUtils.isNotEmpty("bob")=trueStringUtils...
这里再说下俩者的区别,isNotEmpty是当字符对象null或则是""时判定字符对象为空,isNotBlank也是当字符对象null或则是""时判定字符对象为空,它还多一种情况判断,当字符对象为” “这种空白字符串(只有空格)也是判定为空 isNotEmpty源码 代码语言:javascript 代码运行次数:0 publicstaticbooleanisNotEmpty(String str){...
String (Standard - JavaScript) Syntax isEmpty() :boolean Return valueDescription booleanTrue if the string is empty; otherwise false. Usage An empty string has a length of 0. For an empty string,s==""is true, buts==nullis false.
转换Dictionary, Collection, 或者 Array为JSON 字符串. CollectionUtils.isEmpty 集合判断: 例1: 判断集合是否为空: CollectionUtils.isEmpty(null): true CollectionUtils.isEmpty(new ArrayList()): true CollectionUtils.isEmpty({a,b}): false 例2: 判断集合是否不为空: CollectionUtils.isNotEmpty(null): false...
Steps to reproduce i was trying to check for empty vars and when i hoverd on the .isNotEmpty i'm getting a long error in the console and the compiler crash... this is the code i was trying to check: if (dedicationNamesArray.isNotEmpty) {...
Defaults to cli. Note this configuration is only available when using Pa11y on the command line, not via the JavaScript Interface.rootElement (element)The root element for testing a subset of the page opposed to the full document.pa11y(url, { rootElement: '#main' });...
“Label ‘{a}’ looks like a javascript url.”:“‘{a}’看上去像一个js的链接”, “Expected an assignment or function call and instead saw an expression”:“需要一个赋值或者一个函数调用,而不是一个表达式.”, “Do not use ‘new’ for side effects.”:“不要用’new’语句.”, ...
Yes. Javascript is a dialect of ECMAScript, and ECMAScript language specification clearly defines this behavior: ToBoolean The result is false if the argument is the empty String (its length is zero); otherwise the result is true Quote taken fromhttp://www.ecma-international.org/publications/fi...
XMLHTTP') is null or not an object Add / Remove Attributes add attribute title to html.actionlink add css to title attribute in select option dropdown Add cssclass to a DropdownList Add Empty Blank Row To JQuery DataTables add footer on every printed page using javascript add Image to a...
JSON (JavaScript Object Notation) is a text-based format for storing and exchanging data in a way that’s both human-readable and machine-parsable. As a result, JSON is relatively easy to learn and to troubleshoot. Although JSON has its roots in JavaScript, it has grown into a very capab...