html if else statement

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,

conditional Statements 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. If...else statements Executes a piece of code when the

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From http://www.cnblogs.com/ggjucheng/archive/2012/12/16/2820834.html English from http://docs.oracle.com/javase/tutorial/java/nutsandbolts/if.html If-then statement 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

What else do you know if you want to traverse the for loop? Various traversal methods of--javascriptThis is an interview in a topic, then I use the current very hot words, the whole person is ignorant, I stayed to say a sentence, I seem to only know

12.3.1 If/elseif/else The #if instruction in velocity allows text to be included when a page is generated, if the IF condition is true. For example: #if ($foo) Velocity! #end The variable $foo evaluated first to determine whether it is true.