jquery Loop Statement If-else If-else
Callbackfun () function, beginning is written if-if-else. The result is that the first if there is no match, it will be judged again,
If the second if is matched, the statement in the second if is executed,
When you write code, you often need to perform different actions for different judgments.
You can use conditional statements in your code to accomplish this task.
Executes a piece of code when the
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English from http://docs.oracle.com/javase/tutorial/java/nutsandbolts/if.html
If-then statements are the most basic control flow statements. It
The case code is as follows: Click this button to get a time-based greeting. click here var elem= document.getElementById ("demo"); get Elementelem.innerhtml = x; The HTML content of Elem becomes x, where x is the HTML contentThis means
Conditional statementWhen you write code, you often need to perform different behaviors according to different conditions. You can use conditional statements in your code to accomplish this task.
In the web effects, we can use the following
There is only one sentence in a page that can be judgedWe often see the form in the HTML of the page like [if LTE IE 9] ... The code for [ENDIF] represents a statement that restricts certain browser versions to execute, so what are the rules for
We often see the form in the HTML of the page like [if LTE IE 9] ... The code for [ENDIF] represents a statement that restricts certain browser versions to execute, so what are the rules for these judgment statements? Please see below: In addition
The #if instruction in velocity allows text to be included when a page is generated, if the IF condition is true. For example:
The variable $foo evaluated first to determine whether it is true.
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