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如何向javascript添加超时函数?_Javascript_Jquery - Fatal编程技术网

如何向javascript添加超时函数?

如何向javascript添加超时函数?,javascript,jquery,Javascript,Jquery,$('.btn')。单击(函数(){ $(this.toggleClass('spinner'); });$this从未定义过。您可以将其放入变量中,使其处于超时函数的作用域内,如:$('.btn')。单击(function(){var target=$(this);target.addClass('bg');setTimeout(function(){target.removeClass('bg');},3000);});thx honsa:)工作完美

$('.btn')。单击(函数(){
$(this.toggleClass('spinner');

});
$this
从未定义过。您可以将其放入变量中,使其处于超时函数的作用域内,如:$('.btn')。单击(function(){var target=$(this);target.addClass('bg');setTimeout(function(){target.removeClass('bg');},3000);});thx honsa:)工作完美