bokeh class with spaces

Hi Guys, I am trying to select a specific element in html file, unluckily, I can not, could someone help me out, I work on this issue almost entire day. thanks

2018-09-26_16-02-47.png

2018-09-26_16-07-26.png

window.addEventListener(‘load’,function () {

console.log(“ready!”);

document.getElementsByClassName(‘bk-plot-layout bk-layout-fixed mainplothahahahahahhahahahahaha’)[0]

.getElementsByClassName(‘bk-plot-wrapper’)[0]

.getElementsByClassName(‘bk-canvas-wrapper’)[0]

.getElementsByClassName(‘bk-canvas’)[0].style.width = 200

var mainplot = document.getElementsByClassName(‘bk-plot-layout bk-layout-fixed mainplothahahahahahhahahahahaha’)[0]

if (mainplot) {

console.log("@@@@@@@@@@@@@@@@@@@")

}

})

``