jquery Basic Usage

Get started with jquery selector:

①id How to use selectors: <input id= "goto" value= "goto Beijing" ></input> Console.info ($ ("#goto"). Val ()); ②name selector: <input name= "goto" value= "Goto Xian" ></input> Console.info ($ ("Input[name= ' Goto ']"). Val ()); ③ Property <input type= "image" Id= "IMGs" > Set src Property $ ("#imgs"). attr ({src: "jquery/tulips.jpg", alt: "Picture"});   ④ Setting the value of input <input name= "Go" type= "Texarea" value= "333" > $ ("Input[name= ' Go"). Val ("Go to Beijing Ba");   ⑤ Set the Disable property of the checkbox: <input type= "checkbox" disabled= "Disabled" id= "Remove"/> enabled cancel out the disabled property: $ ("#remove"). Removeattr ("Disabled"); ⑥checkbox Properties of checked: <input type= "checkbox" disabled= "Disabled" id= "remove" value= "0" checked= ""/> enabled if ($ ("#remove"). Val () ==1) { $ ("#remove"). attr ("Checked", "true"); }else if ($ ("#remove"). Val () ==0) { $ ("#remove"). Removeattr ("checked");    } determines whether the value is selected based on its values. ⑦ Tools: if ($.browser.msie) { alert ("This is ie!"); } to determine the type of browser:

Safari

Opera

Msie

Mozilla

Available values.

⑧ to cancel the start and end of a string:

$.trim(" hello, how are you? ");

jquery Basic Usage