javaflex 15 de fev. de 2017 1 like
Posta o código completo envolvendo essa parte. A ferramenta https://jsfiddle.net/ facilita demonstrar esse tipo de caso.
Marcelo_Mileo 21 de fev. de 2017
Opa, esqueci do html, segue os códigos completos.
HTML dos eventos em JS
<!DOCTYPE html>
< html lang = "pt-br" >
< head >
< meta charset = "UTF-8" >
< title > JavaScript - Eventos</ title >
< script type = "text/javascript" src = "js\eventos.js" ></ script >
< style >
body {
width : 2000 px ;
height : 200 px ;
}
div {
width : 200 px ;
height : 200 px ;
background-color : yellow ;
}
</ style >
</ head >
< body onresize = "resize()" onscroll = "scroll()" >
< form >
< label for = "campo_nome" > Nome: </ label >
< input id = "campo_nome" type = "text" >
</ form >
< div ></ div >
</ body >
</ html >
Script em JS
window . onload = function ( event ){
console . log ( "Carregado Documento" );
var input = document . getElementById ( "campo_nome" );
input . onfocus = function () {
console . log ( "focus" );
};
input . addEventListener ( "change" , function (){
console . log ( "change" );
});
input . onblur = function (){
console . log ( "blur" );
};
input . onselect = function (){
console . log ( "select" );
};
input . onkeydown = function (){
console . log ( "keydown" );
};
input . onkeypress = function (){
console . log ( "keypress" );
};
input . onkeyup = function (){
console . log ( "keyup" );
};
var div = document . querySelector ( "div" );
div . onmousedown = function (){
console . log ( "mousedown" );
};
div . onmouseup = function (){
console . log ( "mouseup" );
};
div . onclick = function (){
console . log ( "click" );
};
div . ondblclick = function (){
console . log ( "dblclick" );
};
div . onmousemove = function ( event ){
var x = event . clientX ;
var y = event . clientY ;
console . log ( "mousemove: (" + x + " , " + y + " ) " )
};
div . onmouseover = function (){
console . log ( "mouseover" );
};
div . onmouseout = function (){
console . log ( "mouseout" );
};
function resize (){
var w = window . outerWidth ;
var h = window . outerHeight ;
console . log ( "resize: (" + w + " , " + h + ")" );
};
function scroll (){
var x = window . pageXOffSet ;
var y = window . pageYOffSet ;
console . log ( "scroll: (" + x + " , " + y + ")" );
};
}
HTML dos eventos em JQuery
<!DOCTYPE html>
< html lang = "pt-br" >
< head >
< meta charset = "UTF-8" >
< title > JQuery - Eventos</ title >
< script src = "https://code.jquery.com/jquery-3.1.1.min.js" ></ script >
< script type = "text/javascript" src = "js\eventos_jquery.js" ></ script >
< style type = "text/css" >
body {
width : 100 px ;
height : 800 px ;
}
# div1 {
width : 400 px ;
height : 300 px ;
background-color : yellow ;
}
# div2 {
width : 400 px ;
height : 300 px ;
background-color : blue ;
}
# div_interno {
width : 400 px ;
height : 300 px ;
margin : auto ;
background-color : green ;
}
</ style >
</ head >
< body id = "body" >
< form id = "form1" >
< input type = "text" id = "input1" >
</ form >
< form id = "form2" >
< input type = "text" id = "input2" >
</ form >
< div id = "div1" >
< div id = "div_interno" ></ div >
</ div >
< div id = "div2" >
< div id = "div_interno" ></ div >
</ div >
</ body >
</ html >
Script em JQuery
/* tratando o evento ready */
$ ( document ) . ready ( function (){
console . log ( "ready" );
});
/* Tratando o evento resize */
$ ( window ) . resize ( function (){
var largura = $ ( window ) . width ();
var altura = $ ( window ) . height ();
console . log ( "resize: (" + largura + ", " + altura + ")" );
});
/* tratando o evento scroll */
$ ( window ) . scroll ( function (){
var x = $ ( window ) . scrollLeft ();
var y = $ ( window ) . scrollTop ();
console . log ( "Scroll: (" + x + ", " + y + ")" );
});
/* tratando o evento focus */
$ ( "*" ) . focus ( function (){
var tagName = this . tagName ;
var id = this . id ;
console . log ( "focus: (" + tagName + ", #" + id + ")" );
});
/* tratandoo evento focusin */
$ ( "*" ) . focusin ( function (){
var tagName = this . tagName ;
var id = this . id ;
console . log ( "focusin: (" + tagName + ", #" + id + ")" );
});
/* Tratando o evento blur */
$ ( "*" ) . blur ( function (){
var tagName = this . tagName ;
var id = this . id ;
console . log ( "blur: (" + tagName + ", #" + id + ")" );
});
/* tratando o evento focusout */
$ ( "*" ) . focusout ( function (){
var tagName = this . tagName ;
var id = this . id ;
console . log ( "focusout: (" + tagName + ", #" + id + ")" );
});
/* tratando o evento select */
$ ( "input" ) . select ( function (){
console . log ( "Select: " + window . getSelection () + ")" );
});
/* tratando o evento change */
$ ( "input" ) . change ( function (){
console . log ( "Change: (" + ( this ) . val () + ")" );
});
/* tratamento o evento key */
$ ( "input" ) . keydown ( function ( event ){
console . log ( "keydown: (" + event . which + ")" );
});
/* tratando o evento keypress */
$ ( "input" ) . keypress ( function ( event ){
console . log ( "keypress : (" + event . which + ")" );
});
/* tratando o evento keyup */
$ ( "input" ) . keyup ( function ( event ) {
console . log ( "keyup: (" + event . which + ")" );
});
/* Tratando o evento click */
$ ( "#div1" ) . click ( function ( event ){
console . log ( "click: (" + event . pageX + ", " + event . pageY + ")" );
});
Eu estou seguindo a apostila Desenvolvimento Web da K19.
javaflex 21 de fev. de 2017 1 like
Seu HTML precisa estar carregado para depois conseguir setar os eventos. Então faça isso dentro do evento ready. Exemplo: https://jsfiddle.net/jzqt4h7f/
Dá uma estudada: https://www.w3schools.com/jquery/event_ready.asp
Marcelo_Mileo 3 de mar. de 2017
Cara, muito obrigado pelo esclarecimento.