我有以下HTML字符串。JavaScript中从该字符串中删除前导和尾随空格的示例代码是什么? <p>&nbsp;&nbsp;</p> <div>&nbsp;</div> Trimming using JavaScript<br /> <br /> <br /> <br /> all leading and trailing white spaces <p>&nbsp;&nbsp;</p> <div>&nbsp;</div>
我有一个包含两个字段(国家和ISO代码)的表: Table1 field1 - e.g. 'Afghanistan' (without quotes) field2 - e.g. 'AF'(without quotes) 在某些行中,第二个字段在开头和/或结尾处都有空格,这会影响查询。 Table1 field1 - e.g. 'Afghanistan' (without quotes) field2 - e.g. ' AF' (without quotes but with that space in front) 有没有一种方法(在SQL中)遍历表并查找/替换field2中的空格?
我通常在JavaScript中使用以下代码按空格分割字符串。 "The quick brown fox jumps over the lazy dog.".split(/\s+/); // ["The", "quick", "brown", "fox", "jumps", "over", "the", "lazy", "dog."] 即使单词之间有多个空格字符,这当然也可以使用。 "The quick brown fox jumps over the lazy dog.".split(/\s+/); // ["The", "quick", "brown", "fox", "jumps", "over", "the", "lazy", "dog."] 问题是当我有一个带有前导或尾随空格的字符串时,在这种情况下,所得的字符串数组将在该数组的开头和/或结尾包含一个空字符。 " The quick brown fox jumps over the lazy …