Line Continuation in JavaScript String manipulation in JavaScript may be complex. Although string manipulation is simple to master, it is challenging to implement, and one related area is adding new lines. There are other ways to insert new lines with JavaScript, but they are not as straightforwar...
多行字符串就是我上面所说的一个例子.它确实是正式规范(ECMA 265 5th edition)的一部分,ES5扩展了字符串字面量的语法.在(7.8.4 String Literals)中添加了DoubleStringCharacter和SingleStringCharacter:LineContinuation. LineContinuation的语法是: \ LineTerminatorSequence LineTerminatorSequence指的是下面这些字符中的...
多行字符串就是我上面所说的一个例子.它确实是正式规范(ECMA 265 5th edition)的一部分,ES5扩展了字符串字面量的语法.在(7.8.4 String Literals)中添加了DoubleStringCharacter和SingleStringCharacter:LineContinuation. LineContinuation的语法是: \ LineTerminatorSequence LineTerminatorSequence指的是下面这些字符中的...
DoubleStringCharacters :: DoubleStringCharacter DoubleStringCharactersoptSingleStringCharacters :: SingleStringCharacter SingleStringCharactersoptDoubleStringCharacter :: SourceCharacter but not double-quote " or backslash \ or LineTerminator \ EscapeSequence LineContinuation SingleStringCharacter :: SourceCharacter ...
\后跟一个新行不是字符转义序列,而是LineContinuation。 新行不会成为字符串的一部分。 这只是一种将字符串分布在多行上的方法(例如,为了更容易进行代码编辑),字符串实际上不包含任何换行符。 我想我们可以将\后跟一个新行视为空字符串的转义序列。
StringLiteral :: " DoubleStringCharactersopt " ' SingleStringCharactersopt ' DoubleStringCharacters :: DoubleStringCharacter DoubleStringCharactersopt DoubleStringCharacter :: SourceCharacter but not one of " or \\ or LineTerminator <LS> <PS> LineContinuation \ EscapeSequence EscapeSequence :: Characte...
Sometimes a statementin a new line starts with a token that is allowed as a continuation of the previous statement. Then ASI is not triggered, even though it seems like it should be. For example: func()['ul','ol'].forEach(function(t){handleTag(t)}) ...
Spaces Spaces are not allowed at the beginning of a line except when continuing the previous line. Spaces are not allowed before or after the equal (=) sign that separates the name and value. Spaces are not allowed at the end of a line or on a blank line. Line Continuation A long ...
false; --- statements should end with ; --- program has to change the world, but this one doesn't - sometimes ; can be omitted, or next line will be read as continuation - better always use ;VariablesValues will dissipate if we don't hold them - use variables: var caught = 5 *...
The Smart Tabs checkbox is available if the Use tab character checkbox is selected. Tab size In this field, specify the number of spaces that fits in a tab. Indent In this field, specify the number of spaces to be inserted for each indent level. Continuation indent In this field, specify...